| S1378 | Ruxolitinib | Ruxolitinib is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM in cell-free assays, >130-fold selectivity for JAK1/2 versus JAK3. Ruxolitinib kills tumor cells through toxic mitophagy. Ruxolitinib induces autophagy and enhances apoptosis. | 
                                                    
                                                        Nature, 2025, 10.1038/s41586-025-08938-8
                                                     
                                                    
                                                        Nat Commun, 2025, 16(1):8409
                                                     
                                                    
                                                        Nat Commun, 2025, 16(1):492
                                                     |   | 
                            
                                
                                    | S5001 | Tofacitinib (CP-690550) Citrate | Tofacitinib citrate (CP-690550, Tasocitinib) is a novel inhibitor of JAK with IC50 of 1 nM, 20 nM and 112 nM against JAK3, JAK2, and JAK1, respectively. Tofacitinib citrate has anti-infection activity. | 
                                                    
                                                        Cells, 2025, 14(2)102
                                                     
                                                    
                                                        Front Pharmacol, 2025, 16:1549183
                                                     
                                                    
                                                        J Exp Clin Cancer Res, 2024, 43(1):64
                                                     |   | 
                            
                                
                                    | S5243 | Ruxolitinib Phosphate | Ruxolitinib Phosphate (INCB018424, INC424) is the phosphate salt form of Ruxolitinib. Ruxolitinib is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM in cell-free assays, >130-fold selectivity for JAK1/2 versus JAK3. Ruxolitinib kills tumor cells through toxic mitophagy. Ruxolitinib induces autophagy and enhances apoptosis. | 
                                                    
                                                        Nat Commun, 2024, 15(1):10718
                                                     
                                                    
                                                        Cell Mol Life Sci, 2024, 82(1):14
                                                     
                                                    
                                                        Virol J, 2024, 21(1):23
                                                     |  | 
                            
                                
                                    | S2789 | Tofacitinib | Tofacitinib is a novel inhibitor of JAK3 with IC50 of 1 nM in cell-free assays, 20- to 100-fold less potent against JAK2 and JAK1. Tofacitinib inhibits the expression of antiapoptotic BCL-A1 and BCL-XL in human plasmacytoid dendritic cells (PDC) and induced PDC apoptosis. | 
                                                    
                                                        Cell Rep Med, 2025, S2666-3791(25)00102-8
                                                     
                                                    
                                                        J Crohns Colitis, 2025, 19(6)jjaf076
                                                     
                                                    
                                                        Front Immunol, 2025, 16:1609658
                                                     |   | 
                            
                                
                                    | S1143 | AG-490 | AG-490 is an inhibitor of EGFR with IC50 of 0.1 μM in cell-free assays, 135-fold more selective for EGFR versus ErbB2, also inhibits JAK2 with no activity to Lck, Lyn, Btk, Syk and Src. | 
                                                    
                                                        Biomed Pharmacother, 2024, 180:117568
                                                     
                                                    
                                                        NPJ Breast Cancer, 2024, 10(1):80
                                                     
                                                    
                                                        Commun Biol, 2024, 7(1):1694
                                                     |   | 
                            
                                
                                    | S2162 | AZD1480 | AZD1480 is a novel ATP-competitive JAK2 inhibitor with IC50 of 0.26 nM in a cell-free assay, selectivity against JAK3 and Tyk2, and to a smaller extent against JAK1. Phase 1. | 
                                                    
                                                        Int J Biol Sci, 2025, 21(1):271-284
                                                     
                                                    
                                                        Biochem Pharmacol, 2025, 242(Pt 2):117306
                                                     
                                                    
                                                        Sci Adv, 2025, 11(4):eadq2395
                                                     |   | 
                            
                                
                                    | S2736 | Fedratinib (TG101348) | Fedratinib (SAR302503, TG101348) is a selective inhibitor of JAK2 with IC50 of 3 nM in cell-free assays, 35- and 334-fold more selective for JAK2 versus JAK1 and JAK3. Fedratinib also inhibits FMS-like tyrosine kinase 3 (FLT3) and RET (c-RET) with IC50 of 15 nM and 48 nM, respectively. Fedratinib has potential antineoplastic activity. Fedratinib inhibits proliferation and induces apoptosis. Phase 2. | 
                                                    
                                                        Front Immunol, 2025, 16:1514618
                                                     
                                                    
                                                        Cancer Immunol Immunother, 2025, 74(3):79
                                                     
                                                    
                                                        Int J Mol Sci, 2025, 26(13)6139
                                                     |   | 
                            
                                
                                    | S2796 | WP1066 | WP1066 is a novel inhibitor of JAK2 and STAT3 with IC50 of 2.30 μM and 2.43 μM in HEL cells; shows activity to JAK2, STAT3, STAT5, and ERK1/2 not JAK1 and JAK3. WP1066 induces apoptosis. Phase 1. | 
                                                    
                                                        Nat Commun, 2024, 15(1):1987
                                                     
                                                    
                                                        Cancer Cell Int, 2024, 24(1):60
                                                     
                                                    
                                                        CNS Neurosci Ther, 2024, 30(9):e70017
                                                     |   | 
                            
                                
                                    | S2851 | Baricitinib | Baricitinib is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM in cell-free assays, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2. Baricitinib is found to reduce or interrupt the passage of the virus into target cells and is used in the treatment research for COVID-19. Phase 3. | 
                                                    
                                                        Cell Rep Med, 2025, 6(3):102027
                                                     
                                                    
                                                        Cell Rep, 2025, 44(3):115403
                                                     
                                                    
                                                        Cell Rep, 2025, S2211-1247(25)00781-8
                                                     |   | 
                            
                                
                                    | S2219 | Momelotinib (CYT387) | Momelotinib (CYT387, LM-1149 , CYT11387) is an ATP-competitive inhibitor of JAK1/JAK2 with IC50 of 11 nM/18 nM, ~10-fold selectivity versus JAK3. Momelotinib (CYT387) induces apoptosis and autophagy. Phase 3. | 
                                                    
                                                        Cancer Med, 2025, 14(5):e70047
                                                     
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Cell Rep, 2023, 42(9):113067
                                                     |   | 
                            
                                
                                    | S7605 | Filgotinib (GLPG0634) | Filgotinib (GLPG0634) is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively. Phase 2. | 
                                                    
                                                        J Crohns Colitis, 2025, 19(6)jjaf076
                                                     
                                                    
                                                        Int J Mol Sci, 2025, 26(13)6139
                                                     
                                                    
                                                        Rheumatology (Oxford), 2025, keaf227
                                                     |   | 
                            
                                
                                    | S7119 | Go6976 | Go6976 (PD406976) is a potent PKC inhibitor with IC50 of 7.9 nM, 2.3 nM, and 6.2 nM for PKC (Rat brain), PKCα, and PKCβ1, respectively. Also a potent inhibitor of JAK2 and Flt3. | 
                                                    
                                                        FASEB J, 2025, 39(12):e70768
                                                     
                                                    
                                                        FASEB J, 2025, 39(12):e70768
                                                     
                                                    
                                                        bioRxiv, 2025, 2025.02.02.636139
                                                     |   | 
                            
                                
                                    | S7198 | BIO | BIO (GSK-3 Inhibitor IX, 6-bromoindirubin-3-oxime, 6-Bromoindirubin-3'-oxime, MLS 2052) is a specific inhibitor of GSK-3 with IC50 of 5 nM for GSK-3α/β in a cell-free assay, shows >16-fold selectivity over CDK5, also a pan-JAK inhibitor with IC50 of 30 nM for Tyk2. BIO induces apoptosis in human melanoma cells. | 
                                                    
                                                        Cell Rep, 2025, 44(3):115361
                                                     
                                                    
                                                        Development, 2025, 152(3)DEV204214
                                                     
                                                    
                                                        bioRxiv, 2025, 2025.04.11.648340
                                                     |   | 
                            
                                
                                    | S1134 | AT9283 | AT9283 is a potent JAK2/3 inhibitor with IC50 of 1.2 nM/1.1 nM in cell-free assays; also potent to Aurora A/B, Abl1(T315I). | 
                                                    
                                                        Biochim Biophys Acta Mol Cell Res, 2025, 1872(7):120001
                                                     
                                                    
                                                        Clin Exp Med, 2025, 25(1):125
                                                     
                                                    
                                                        Adv Biol Regul, 2025, 95:101072
                                                     |   | 
                            
                                
                                    | S2902 | S-Ruxolitinib (INCB018424) | S-Ruxolitinib is the chirality of INCB018424, which is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM, >130-fold selectivity for JAK1/2 versus JAK3. Phase 3. | 
                                                    
                                                        iScience, 2024, 27(10):110862
                                                     
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Front Immunol, 2023, 14:1185570
                                                     |  | 
                            
                                
                                    | S2179 | Gandotinib (LY2784544) | Gandotinib (LY2784544) is a potent JAK2 inhibitor with IC50 of 3 nM, effective in JAK2V617F, 8- and 20-fold selective versus JAK1 and JAK3. Phase 2. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        bioRxiv, 2024, 2024.12.09.624203
                                                     
                                                    
                                                        Proc Natl Acad Sci U S A, 2022, 119(15):e2122512119
                                                     |   | 
                            
                                
                                    | S2692 | TG101209 | TG101209 is a selective JAK2 inhibitor with IC50 of 6 nM, less potent to Flt3 and RET (c-RET) with IC50 of 25 nM and 17 nM in cell-free assays, ~30-fold selective for JAK2 than JAK3, sensitive to JAK2V617F and MPLW515L/K mutations. | 
                                                    
                                                        Signal Transduct Target Ther, 2025, 10(1):131
                                                     
                                                    
                                                        Phytomedicine, 2023, 117:154918
                                                     
                                                    
                                                        EBioMedicine, 2022, 78:103963
                                                     |   | 
                            
                                
                                    | S7634 | Cerdulatinib (PRT062070) hydrochloride | Cerdulatinib (PRT-062070, PRT2070) hydrochloride is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively. Also inhibits 19 other tested kinases with IC50 less than 200 nM. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Int J Mol Sci, 2023, 24(17)13623
                                                     
                                                    
                                                        Cells, 2023, 12(3)453
                                                     |  | 
                            
                                
                                    | S5754 | Baricitinib phosphate | Baricitinib phosphate (INCB-028050, LY-3009104) is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2. Baricitinib is found to reduce or interrupt the passage of the virus into target cells and is used in the treatment research for COVID-19. | 
                                                    
                                                        Cell Mol Life Sci, 2024, 81(1):152
                                                     
                                                    
                                                        J Virol, 2023, 97(12):e0127623
                                                     
                                                    
                                                        Physiol Rep, 2023, 11(19):e15829
                                                     |  | 
                            
                                
                                    | S2686 | NVP-BSK805 2HCl | NVP-BSK805 2HCl is a potent and selective ATP-competitive JAK2 inhibitor with IC50 of 0.5 nM,>20-fold selectivity towards JAK1, JAK3 and TYK2. | 
                                                    
                                                        bioRxiv, 2024, 2024.12.05.627084
                                                     
                                                    
                                                        Int J Mol Sci, 2022, 23(9)4597
                                                     
                                                    
                                                        Sci Rep, 2022, 12(1):7
                                                     |   | 
                            
                                
                                    | S8057 | Pacritinib | Pacritinib is a potent and selective inhibitor of Janus Kinase 2 (JAK2) and Fms-Like Tyrosine Kinase-3 (FLT3) with IC50s of 23 and 22 nM in cell-free assays, respectively. Phase 3. | 
                                                    
                                                        Front Pharmacol, 2025, 16:1549183
                                                     
                                                    
                                                        Toxicol In Vitro, 2025, S0887-2333(25)00050-5
                                                     
                                                    
                                                        Cell Rep Med, 2024, 5(10):101748
                                                     |   | 
                            
                                
                                    | S2867 | WHI-P154 | WHI-P154 is a potent JAK3 inhibitor with IC50 of 1.8 μM, no activity against JAK1 or JAK2, also inhibits EGFR, Src, Abl, VEGFR and MAPK, prevents Stat3, but not Stat5 phosphorylation. | 
                                                    
                                                        Nat Commun, 2023, 14(1):6908
                                                     
                                                    
                                                        Nat Commun, 2023, 14(1):6908
                                                     
                                                    
                                                        Int J Mol Sci, 2023, 10.3390/ijms241813863
                                                     |   | 
                            
                                
                                    | S7259 | FLLL32 | FLLL32 is a potent JAK2/STAT3 inhibitor with IC50 of <5 μM. FLLL32 inhibits the induction of STAT3 phosphorylation by IFNα and IL-6 in breast cancer cells. | 
                                                    
                                                        Cancer Commun -Lond), 2023, 43(10):1117-1142
                                                     
                                                    
                                                        Microbiol Res, 2023, 276:127480
                                                     
                                                    
                                                        Research Square, 2023, Version 1
                                                     |   | 
                            
                                
                                    | S2806 | CEP-33779 | CEP33779 is a selective JAK2 inhibitor with IC50 of 1.8 nM, >40- and >800-fold versus JAK1 and TYK2. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        J Transl Med, 2023, 21(1):426
                                                     
                                                    
                                                        Int J Mol Sci, 2022, 23(9)4597
                                                     |   | 
                            
                                
                                    | S7541 | Decernotinib (VX-509) | Decernotinib (VX-509) is a potent and selective JAK3 inhibitor with Ki of 2.5 nM, >4-fold selectivity over JAK1, JAK2, and TYK2, respectively. Phase 2/3. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Br J Cancer, 2023, 10.1038/s41416-023-02196-z
                                                     
                                                    
                                                        Cells, 2023, 12(5)770
                                                     |  | 
                            
                                
                                    | S8162 | Upadacitinib | Upadacitinib is a selective JAK1 inhibitor which demonstrates activity against JAK1 (0.045 μM) and JAK2 (0.109 μM),  with > 40 fold selectivity over JAK3 (2.1 μM) and 100 fold selectivity over TYK2 (4.7 μM) as compared to JAK1. | 
                                                    
                                                        J Crohns Colitis, 2025, 19(6)jjaf076
                                                     
                                                    
                                                        Nature, 2024, 
                                                     
                                                    
                                                        Nat Commun, 2024, 15(1):1718
                                                     |  | 
                            
                                
                                    | S2214 | AZ 960 | AZ 960 is a novel ATP competitive JAK2 inhibitor with IC50 and Ki of <3 nM and 0.45 nM, 3-fold selectivity of AZ960 for JAK2 over JAK3. AZ 960 induces apoptosis and growth arrest. | 
                                                    
                                                        Front Oncol, 2025, 15:1589396
                                                     
                                                    
                                                        Adv Biol Regul, 2025, 95:101072
                                                     
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     |   | 
                            
                                
                                    | S8004 | ZM 39923 HCl | ZM 39923 HCl is an JAK1/3 inhibitor with pIC50 of 4.4/7.1, almost no activity to JAK2 and modestly potent to EGFR; also found to be sensitive to transglutaminase. | 
                                                    
                                                        Sci Rep, 2022, 12(1):7
                                                     
                                                    
                                                        Carcinogenesis, 2020, 41(7):993-1004
                                                     
                                                    
                                                        Int J Biol Sci, 2019, 15(9):1882-1891
                                                     |  | 
                            
                                
                                    | S3566 | Cerdulatinib (PRT062070) | Cerdulatinib (PRT062070, PRT2070) is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively, also inhibits19 other tested kinases with IC50 less than 200 nM. | 
                                                    
                                                        Cell Rep Med, 2025, S2666-3791(25)00102-8
                                                     
                                                    
                                                        Methods, 2025, 241:13-23
                                                     
                                                    
                                                        NPJ Precis Oncol, 2024, 8(1):74
                                                     |  | 
                            
                                
                                    | S7036 | XL019 | XL019 is a potent and selective JAK2 inhibitor with IC50 of 2.2 nM, exhibiting >50-fold selectivity over JAK1, JAK3 and TYK2. Phase 1. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Biochem Pharmacol, 2023, 215:115704
                                                     
                                                    
                                                        Sci Rep, 2022, 12(1):7
                                                     |  | 
                            
                                
                                    | S7144 | BMS-911543 | BMS-911543 is a potent and selective inhibitor of JAK2 with IC50 of 1.1 nM, ~350-, 75- and 65-fold selective to JAK1, JAK3 and TYK2, respectively. Phase 1/2. | 
                                                    
                                                        Molecules, 2024, 29(8)1801
                                                     
                                                    
                                                        Mol Metab, 2023, 10.1016/j.molmet.2023.101836
                                                     
                                                    
                                                        NPJ Precis Oncol, 2021, 5(1):75
                                                     |  | 
                            
                                
                                    | S2407 | Curcumol | Curcumol is a pure monomer isolated from Rhizoma Curcumaeis with antitumor activities. | 
                                                    
                                                        Cell Death Discov, 2024, 10(1):300
                                                     
                                                    
                                                        J Ethnopharmacol, 2021, 280:114413
                                                     
                                                    
                                                        Cell Prolif, 2020, 53(3):e12762
                                                     |  | 
                            
                                
                                    | S5917 | Solcitinib | Solcitinib (GLPG0778, GSK2586184) is an inhibitor of JAK1 with an IC50 of 8-9 nM, and shows 11-, 55- and 23-fold selectivity over JAK2, JAK3 and TYK2, respectively. | 
                                                    
                                                        Breast Cancer Res, 2024, 26(1):54
                                                     
                                                    
                                                        Cancer Res, 2023, 83(2):264-284
                                                     
                                                    
                                                        JCI Insight, 2023, 8(22)e164672
                                                     |  | 
                            
                                
                                    | S8195 | Oclacitinib maleate | Oclacitinib maleate (PF-03394197) is a novel inhibitor of JAK family members with IC50 ranging from 10 to 99 nM and JAK1-dependent cytokines with IC50 ranging from 36 to 249 nM. It does not inhibit a panel of 38 non-JAK kinases. | 
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Molecules, 2024, 29(8)1801
                                                     
                                                    
                                                        Sci Rep, 2022, 12(1):7
                                                     |  | 
                            
                                
                                    | S6789 | Pyridone 6 | Pyridone 6 is a pan-JAK inhibitor with IC50s of 1 nM, 1 nM, 5 nM and 15 nM for JAK2, TYK2, JAK3 and JAK1, respectively. | 
                                                    
                                                        Cell Commun Signal, 2025, 23(1):194
                                                     
                                                    
                                                        Mol Metab, 2023, 10.1016/j.molmet.2023.101836
                                                     
                                                    
                                                        Nat Commun, 2022, 13(1):6226
                                                     |  | 
                            
                                
                                    | S8765 | Abrocitinib (PF-04965842) | Abrocitinib (PF-04965842) is a potent JAK1 inhibitor with IC50s of 29 nM, 803 nM, > 10 000 nM and 1250 nM for JAK1, JAK2, JAK3 and tyrosine kinase (TYK) 2, respectively. | 
                                                    
                                                        Nature, 2024, 
                                                     
                                                    
                                                        Molecules, 2024, 29(8)1801
                                                     
                                                    
                                                        Acta Derm Venereol, 2024, 104:adv39950
                                                     |  | 
                            
                                
                                    | S5588 | Creatine | Creatine (Methylguanidoacetic acid) is a nitrogenous organic acid that occurs naturally in vertebrates. It facilitates the recycling of adenosine triphosphate (ATP) primarily in muscle and brain tissue.Creatine can inhibits the JAK-STAT1 signal transmission by inhibiting the interaction of IFN-γ receptors with JAK2 in an ATP-independent manner, thereby inhibiting downstream pro-inflammatory gene expression. | 
                                                    
                                                        Aging (Albany NY), 2022, 14(16):6796-6808
                                                     
                                                    
                                                        Cancer Cell, 2021, S1535-6108(21)00445-1
                                                     
                                                    
                                                        Histochem Cell Biol, 2021, 156(3):227-237
                                                     |  | 
                            
                                
                                    | S8538 | Ritlecitinib (PF-06651600) | Ritlecitinib (PF-06651600) is a potent and irreversible JAK3-selective inhibitor with an IC50 of 33.1 nM but without activity (IC50 > 10 000 nM) against JAK1, JAK2, and TYK2. | 
                                                    
                                                        Nat Commun, 2024, 15(1):5873
                                                     
                                                    
                                                        Molecules, 2024, 29(8)1801
                                                     
                                                    
                                                        Drug Des Devel Ther, 2022, 16:363-374
                                                     |  | 
                            
                                
                                    | S8879 | Deucravacitinib (BMS-986165) | Deucravacitinib (BMS-986165) is a highly potent and selective allosteric inhibitor of Tyk2 with a Ki value of 0.02 nM for binding to the Tyk2 pseudokinase domain. It is highly selective against a panel of 265 kinases and pseudokinases. | 
                                                    
                                                        Res Sq, 2025, rs.3.rs-6079043
                                                     
                                                    
                                                        Nat Commun, 2024, 15(1):1718
                                                     
                                                    
                                                        Nat Commun, 2024, 15(1):1337
                                                     |  | 
                            
                                
                                    | S7812 | Itacitinib (INCB39110) | Itacitinib(INCB39110) is an orally bioavailable inhibitor of Janus-associated kinase 1 (JAK1) with potential antineoplastic activity. | 
                                                    
                                                        Front Immunol, 2025, 16:1514618
                                                     
                                                    
                                                        Arthritis Res Ther, 2025, 27(1):12
                                                     
                                                    
                                                        Nature, 2024, 10.1038/s41586-024-08031-6
                                                     |  | 
                            
                                
                                    | S7650 | Peficitinib | Peficitinib is an orally bioavailable JAK inhibitor. Phase 3. | 
                                                    
                                                        Int J Mol Sci, 2025, 26(13)6139
                                                     
                                                    
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023.
                                                     
                                                    
                                                        Sci Rep, 2024, 14(1):15730
                                                     |  | 
                            
                                
                                    | S0981 | BD750 | BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively. | 
                                                    
                                                        Cell Mol Life Sci, 2024, 82(1):14
                                                     
                                                    
                                                        Bioengineered, 2022, 13(6):14616-14631
                                                     |  | 
                            
                                
                                    | S5904 | WHI-P97 | WHI-P97 is a potent inhibitor of JAK-3 with an estimated Ki value of 0.09 μM in modeling studies and a measured IC50 value of 2.5 μM in EGFR kinase inhibition assays. | 
                                                    
                                                        J Med Chem, 2020, 31
                                                     |  | 
                            
                                
                                    | S5903 | JANEX-1 | JANEX-1 (WHI-P131) is a small molecule inhibitor of JAK3 that selectively inhibits JAK3 at an IC50 of 78 µM without altering the activity of JAK1 or JAK2, or any other protein tyrosine kinases (IC50 ≥ 350 µM). | 
                                                    
                                                        J Cell Commun Signal, 2024, 18(1):e12017
                                                     
                                                    
                                                        JCI Insight, 2023, 8(22)e164672
                                                     
                                                    
                                                        Exp Biol Med (Maywood), 2020, 1535370220942470
                                                     |  | 
                            
                                
                                    | S6919 | Brevilin A | Brevilin A (6-O-Angeloylplenolina), a sesquiterpene lactone isolated from Centipeda minima, is a selective inhibitor of STAT3 and attenuates the JAKs activity by blocking the JAKs tyrosine kinase domain JH1. Brevilin A induces apoptosis and autophagy of colon adenocarcinoma cell CT26 via mitochondrial pathway and PI3K/AKT/mTOR inactivation. | 
                                                    
                                                        Front Pharmacol, 2022, 13:795613
                                                     |  | 
                            
                                
                                    | S5902 | 1,2,3,4,5,6-Hexabromocyclohexane | 1,2,3,4,5,6-Hexabromocyclohexane (NSC7908) is a potent inhibitor of JAK2 tyrosine kinase autophosphorylation with IC50 value to be estimated in low micromolar range. | 
                                                    
                                                        Cell Tissue Res, 2016, 364(2):395-404
                                                     |  | 
                            
                                
                                    | S8804 | Brepocitinib (PF-06700841) | Brepocitinib (PF-06700841, PF-841) is a potent inhibitor of Tyk2 and Jak1 with IC50s of 23 nM, 17 nM, 77 nM for Tyk2, Jak1 and Jak2 respectively. It has appropriate in-family selectivity against JAK2 and JAK3. | 
                                                    
                                                        Cancer Immunol Res, 2021, 9-5:542-553
                                                     |  | 
                            
                                
                                    | S8541 | FM-381 | FM-381 is a JAK3 specific reversible covalent inhibitor with IC50 of 127 pM for JAK3 and demonstrates 400-, 2,700- and 3,600-fold selectivity over JAK1, JAK2, and TYK2, respectively. | 
                                                    
                                                        Commun Biol, 2020, 3:8
                                                     |  | 
                            
                                
                                    | S0437 | SAR-20347 | SAR-20347 is a potent inhibitor of TYK2, JAK1, JAK2 and JAK3 with IC50 of 0.6 nM, 23 nM, 26 nM and 41 nM, respectively. SAR-20347 inhibits TYK2- and JAK1-mediated IL-12 and IFN-α signaling. | 
                                                    
                                                        Cancer Discov, 2023, 13(2):410-431
                                                     
                                                    
                                                        Cancer Discov, 2023, 13(2):410-431
                                                     |  | 
                            
                                
                                    | S8684 | Selective JAK3 inhibitor 1 | Selective JAK3 inhibitor 1 is an irreversible JAK3 inhibitor with Ki values of 0.07 nM, 320 nM, 740 nM for JAK3, JAK1 and JAK2 respectively. It is also selective over the other kinases possessing a cysteine in the same region as JAK3, such as BMX, EGFR, ITK, and BTK. | 
                                                    
                                                        Cancer Sci, 2023, 114(6):2622-2633
                                                     |  | 
                            
                                
                                    | F0231New | Jak2 Antibody [K5N8] |  |  |  | 
                            
                                
                                    | F0864 | Tyk2 Antibody [J21F13] |  |  |  | 
                            
                                
                                    | F0956New | Phospho-Tyk2 (Tyr1054/1055) Antibody [H3E15] |  |  |  | 
                            
                                
                                    | S6899 | Licochalcone D | Licochalcone D (Lico D, LCD, LD), a flavonoid isolated from a Chinese medicinal plant Glycyrrhiza inflata, has antioxidant, anti-inflammatory and anti-cancer properties. Licochalcone D inhibit phosphorylation of NF-κB p65 in LPS signaling pathway. Licochalcone D inhibits JAK2, EGFR and Met (c-Met) activities and induces ROS-dependent apoptosis. Licochalcone D also induces caspases activation and poly (ADP-ribose) polymerase (PARP) cleavage. |  |  | 
                            
                                
                                    | S6521 | WHI-P258 | WHI-P258 is an inhibitor of JAK3 with Ki value of 72 μM. |  |  | 
                            
                                
                                    | S0918 | Ginkgolic acid C17:1 | Ginkgolic acid C17:1 (GAC 17:1) inhibits constitutive activation of STAT3 through the abrogation of upstream JAK2 and Src. Ginkgolic acid C17:1 can induce the substantial expression of PTEN and SHP-1. Ginkgolic acid C17:1 induces apoptosis of tumor cells. |  |  | 
                            
                                
                                    | S7002 | Zotiraciclib | Zotiraciclib (SB1317; TG02) is a novel small molecule potent CDK/JAK2/FLT3 inhibitor, emerged with potent CDK (IC50 against CDKs 1, 2 and 9 = 9, 5 and 3 nM, respectively), FLT3 (IC50 = 19 nM) and JAK2 (IC50 = 19 nM) potency. |  |  | 
                            
                                
                                    | E1526 | Zasocitinib | Zasocitinib( NDI-034858, TAK-279) is a TYK2 inhibitor, which is currently being investigated in a phase IIb trial for moderate-to-severe plaque psoriasis. |  |  | 
                            
                                
                                    | S3267 | Nicotiflorin (Kaempferol-3-O-rutinoside) | Nicotiflorin (Kaempferol-3-O-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity. |  |  | 
                            
                                
                                    | S5554 | Lanatoside C | Lanatoside C is a cardiac glycoside with antiviral and anti-tumor activity. Lanatoside C induces G2/M cell cycle arrest and induces autophagy and apoptosis via attenuating MAPK, Wnt, JAK-STAT, and PI3K/AKT/mTOR signaling pathways. |  |  | 
                            
                                
                                    | E4630 | Ilginatinib hydrochloride | Ilginatinib hydrochloride (NS-018 hydrochloride) is a potent small-molecule inhibitor of JAK2 that is competitive with adenosine triphosphate (ATP) which exhibits 30–50-fold greater selectivity for JAK2 over other Jak-family kinases such as JAK1, JAK3, and TYK2.It inhibits JAK2, JAK1, JAK3, and TYK2 with IC50 of 0.72 nM, 33 nM, 39 nM, and 22 nM, respectively. It also showed potent inhibition of Src-family kinases, SRC and FYN. It can be used in research of myeloproliferative neoplasms. |  |  | 
                            
                                
                                    | S6524 | NSC 42834 | NSC42834 (JAK2 Inhibitor V, Z3) is an inhibitor of the autophosphorylation of wild type and V617F mutant forms of JAK2 with IC50 values between 10 and 30 μM. |  |  | 
                            
                                
                                    | E5866New | Cenacitinib | Cenacitinib is an orally potent and selective allosteric inhibitor of tyrosine kinase 2 (Tyk2). It exhibits significant efficacy and can be used in research for the treatment of moderate to severe psoriasis. |  |  | 
                            
                                
                                    | E0011 | Linderalactone | Linderalactone inhibits human lung cancer growth by modulating the expression of apoptosis-related proteins (Bax and Bcl-2) with an IC50 of 15 µM in A-549 cells. Linderalactone induces G2/M cell cycle arrest and could also suppress the JAK/STAT signalling pathway. Linderalactone can be isolated from Radix linderae. |  |  | 
                            
                                
                                    | S0871 | Gusacitinib (ASN-002) | Gusacitinib (ASN-002) is a novel and potent dual inhibitor of spleen tyrosine kinase (SYK) and Janus kinases (JAK) with IC50 values of 5-46 nM in biochemical assays. |  |  | 
                            
                                
                                    | E6023New | (3R,4S)-Tofacitinib | (3R,4S)-Tofacitinib is a less active enantiomer of Tofacitinib and a first-in-class inhibitor of JAK3 with an IC50 of 1 nM. It is highly efficacious in treating rheumatoid arthritis (RA). |  |  | 
                            
                                
                                    | E8276New | Golidocitinib 1-hydroxy-2-naphthoate | Golidocitinib 1-hydroxy-2-naphthoate is a derivative of Golidocitinib, an oral, potent, selective inhibitor of Janus kinase 1 (JAK1) with an IC50 of 70 nM. It exhibits enhnaced antitumor activity and can be used for the treatment of cancer, including peripheral T cell lymphoma (PTCL). |  |  | 
                            
                                
                                    | E4971 | Oclacitinib | Oclacitinib(PF-03394197), an inhibitor of JAK is highly potent at inhibiting JAK1 with an IC50 value of 10 nM, respectively. Oclacitinib is highly potent against the JAK1 enzyme, displaying a 1.8-fold selectivity for JAK1 vs. JAK2 and a 9.9-fold selectivity toward JAK1 vs. JAK3. | 
                                                    
                                                        Pharmaceuticals (Basel), 2021, 14(10)971
                                                     |  | 
                            
                                
                                    | S7899New | CHZ868 | CHZ868 is an inhibitor of type II JAK2 with an IC50 value of 0.17 μM in EPOR JAK2 WT Ba/F3 cells. CHZ868 demonstrates 60- to 70-fold higher inhibition of JAK1-/TYK2-mediated nuclear STAT1 translocation compared to pan-JAK inhibitors. |  |  | 
                            
                                
                                    | E2821 | RGB-286638 free base | RGB-286638 free base is a Cyclin-dependent kinase (CDK) inhibitor that inhibits the kinase activity of cyclin T1-CDK9, cyclin B1-CDK1, cyclin E-CDK2, cyclin D1-CDK4, cyclin E-CDK3, and p35-CDK5 with IC50s of 1, 2, 3, 4, 5 and 5 nM, respectively; also inhibits GSK-3β, TAK1, Jak2 and MEK1, with IC50s of 3, 5, 50, and 54 nM. |  |  | 
                            
                                
                                    | E0793 | G5-7 | G5-7 is an orally active and allosteric JAK2 inhibitor, selectively inhibits JAK2 mediated phosphorylation and activation of EGFR (Tyr1068) and STAT3 by binding to JAK2. |  |  | 
                            
                                
                                    | E0769 | Ginsenoside Rh4 | Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways. |  |  | 
                            
                                
                                    | S7640New | Lestaurtinib | Lestaurtinib (CEP-701, KT-5555) is a derivative of the indolocarbazole K252 and a staurosporine analog. It is an orally active inhibitor of receptor protein tyrosine kinases (RPTKs), which inhibits FLT3 and Trk, with an IC50 of 3 nM and < 25 nM, respectively. It also inhibits JAK2 with an IC50 of 0.9 nM. |  |  | 
                            
                                
                                    | E0324 | Ivarmacitinib | Ivarmacitinib (SHR0302) is a potent and orally active inhibitor of JAK family, particularly JAK1. Ivarmacitinib demonstrates more than 10-fold selectivity for JAK1 over JAK2, 77-fold over JAK3, and 420-fold over Tyk2. Ivarmacitinib also exhibits anti-proliferative and anti-inflammatory effects. |  |  | 
                            
                                
                                    | S0374 | GDC046 | GDC046 (Compound 3) is a potent, selective, and orally bioavailable inhibitor of TYK2 with Ki of 4.8 nM, 83.8 nM, 27.6 nM and 253 nM for TYK2, JAK1, JAK2, and JAK3, respectively. |  |  | 
                            
                                
                                    | S7137 | GLPG0634 analogue | GLPG0634 analogue is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively. Phase 2. |  |   | 
                            
                                
                                    | S0384 | RO495 | RO495 (CS-2667) is a potent inhibitor of Non-receptor tyrosine-protein kinase 2 (TYK2). |  |  | 
                            
                                
                                    | S1349 | SC99 | SC99 is an orally active, selective STAT3 inhibitor targeting JAK2-STAT3 pathway by docking into the ATP-binding pocket of JAK2, also inhibits phosphorylation of JAK2and STAT3 with no effects on the other kinases associated with STAT3 signaling. |  |  | 
                            
                                
                                    | S0391 | TG-89 | TG-89 is an inhibitor of JAK2 with IC50 of 11.2 μM. |  |  | 
                            
                                
                                    | E4720New | Flonoltinib | Flonoltinib (JAK2/FLT3-IN-1) is a potent and selective dual inhibitor of JAK2 and FLT3, with IC50 of of 0.8, 1.4, and 15 nM against JAK2, JAK2V617F, and FLT3, respectively, in in vitro kinase assays. It also inhibits cell proliferation and induces G2/M cell cycle arrest and apoptosis in Hemophagocytic Lymphohistiocytosis (HLH) patients' CD8+T cells, CTLL2 cells, and RAW 264.7 cells. |  |  | 
                            
                                
                                    | S8802 | Delgocitinib (JTE-052) | Delgocitinib (JTE-052) is a specific  JAK inhibitor with IC50s of 2.8, 2.6, 13 and 58 nM for JAK1, JAK2, JAK3 and Tyk2, respectively. |  |  | 
                            
                                
                                    | E5818New | Fedratinib hydrochloride hydrate | Fedratinib hydrochloride hydrate (TG-101348 hydrochloride hydrate, SAR 302503 hydrochloride hydrate) is a small-molecule, ATP-competitive inhibitor of JAK2 with IC50s of 3 nM for both JAK2 and JAK2V617F kinase. It induces cancer cell apoptosis and has potential for efficacious treatment of JAK2V617F-associated myeloproliferative disease. |  |  | 
                            
                                
                                    | E0700 | cucurbitacin E | Cucurbitacin E (α-Elaterin; α-Elaterine), a tetracyclic triterpene derived from the climbing stem of Cucumic melo L, is an inhibitor of JAK2 and STAT3. |  |  | 
                            
                                
                                    | S9676 | Ropsacitinib (PF-06826647) | Ropsacitinib (PF-06826647, Tyk2-IN-8, compound 10) is a selective and orally administered inhibitor of tyrosine kinase 2 (TYK2) with IC50 of 17 nM for binding to TYK2 catalytically active JH1 domain. PF-06826647 (Tyk2-IN-8, compound 10) also inhibits JAK1 and JAK2 with IC50 of 383 nM and 74 nM, respectively. PF-06826647 (Tyk2-IN-8, compound 10) is used in the treatment of psoriasis (PSO). |  |  | 
                            
                                
                                    | S8152 | Cucurbitacin I | Cucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3. |  |  | 
                            
                                
                                    | E1435 | Tinengotinib | Tinengotinib (TT-00420) is a novel multiple kinase inhibitor that strongly inhibits Aurora A/B with IC50 values of 1.2/3.3 nM respectively. It also exhibits potent inhibitory activity on FGFR1/2/3, VEGFR1, JAK1/2, and CSF1R and can be used to treat several prominent signaling pathways in triple-negative breast cancer(TNBC). |  |  | 
                            
                        
                    
                    
                        
                        
                            
                                
                                    
                                        | S1378 | Ruxolitinib | Ruxolitinib is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM in cell-free assays, >130-fold selectivity for JAK1/2 versus JAK3. Ruxolitinib kills tumor cells through toxic mitophagy. Ruxolitinib induces autophagy and enhances apoptosis. | 
                                                        Nature, 2025, 10.1038/s41586-025-08938-8 
                                                        Nat Commun, 2025, 16(1):8409 
                                                        Nat Commun, 2025, 16(1):492 |   | 
                                
                                    
                                        | S5001 | Tofacitinib (CP-690550) Citrate | Tofacitinib citrate (CP-690550, Tasocitinib) is a novel inhibitor of JAK with IC50 of 1 nM, 20 nM and 112 nM against JAK3, JAK2, and JAK1, respectively. Tofacitinib citrate has anti-infection activity. | 
                                                        Cells, 2025, 14(2)102 
                                                        Front Pharmacol, 2025, 16:1549183 
                                                        J Exp Clin Cancer Res, 2024, 43(1):64 |   | 
                                
                                    
                                        | S5243 | Ruxolitinib Phosphate | Ruxolitinib Phosphate (INCB018424, INC424) is the phosphate salt form of Ruxolitinib. Ruxolitinib is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM in cell-free assays, >130-fold selectivity for JAK1/2 versus JAK3. Ruxolitinib kills tumor cells through toxic mitophagy. Ruxolitinib induces autophagy and enhances apoptosis. | 
                                                        Nat Commun, 2024, 15(1):10718 
                                                        Cell Mol Life Sci, 2024, 82(1):14 
                                                        Virol J, 2024, 21(1):23 |  | 
                                
                                    
                                        | S2789 | Tofacitinib | Tofacitinib is a novel inhibitor of JAK3 with IC50 of 1 nM in cell-free assays, 20- to 100-fold less potent against JAK2 and JAK1. Tofacitinib inhibits the expression of antiapoptotic BCL-A1 and BCL-XL in human plasmacytoid dendritic cells (PDC) and induced PDC apoptosis. | 
                                                        Cell Rep Med, 2025, S2666-3791(25)00102-8 
                                                        J Crohns Colitis, 2025, 19(6)jjaf076 
                                                        Front Immunol, 2025, 16:1609658 |   | 
                                
                                    
                                        | S1143 | AG-490 | AG-490 is an inhibitor of EGFR with IC50 of 0.1 μM in cell-free assays, 135-fold more selective for EGFR versus ErbB2, also inhibits JAK2 with no activity to Lck, Lyn, Btk, Syk and Src. | 
                                                        Biomed Pharmacother, 2024, 180:117568 
                                                        NPJ Breast Cancer, 2024, 10(1):80 
                                                        Commun Biol, 2024, 7(1):1694 |   | 
                                
                                    
                                        | S2162 | AZD1480 | AZD1480 is a novel ATP-competitive JAK2 inhibitor with IC50 of 0.26 nM in a cell-free assay, selectivity against JAK3 and Tyk2, and to a smaller extent against JAK1. Phase 1. | 
                                                        Int J Biol Sci, 2025, 21(1):271-284 
                                                        Biochem Pharmacol, 2025, 242(Pt 2):117306 
                                                        Sci Adv, 2025, 11(4):eadq2395 |   | 
                                
                                    
                                        | S2736 | Fedratinib (TG101348) | Fedratinib (SAR302503, TG101348) is a selective inhibitor of JAK2 with IC50 of 3 nM in cell-free assays, 35- and 334-fold more selective for JAK2 versus JAK1 and JAK3. Fedratinib also inhibits FMS-like tyrosine kinase 3 (FLT3) and RET (c-RET) with IC50 of 15 nM and 48 nM, respectively. Fedratinib has potential antineoplastic activity. Fedratinib inhibits proliferation and induces apoptosis. Phase 2. | 
                                                        Front Immunol, 2025, 16:1514618 
                                                        Cancer Immunol Immunother, 2025, 74(3):79 
                                                        Int J Mol Sci, 2025, 26(13)6139 |   | 
                                
                                    
                                        | S2796 | WP1066 | WP1066 is a novel inhibitor of JAK2 and STAT3 with IC50 of 2.30 μM and 2.43 μM in HEL cells; shows activity to JAK2, STAT3, STAT5, and ERK1/2 not JAK1 and JAK3. WP1066 induces apoptosis. Phase 1. | 
                                                        Nat Commun, 2024, 15(1):1987 
                                                        Cancer Cell Int, 2024, 24(1):60 
                                                        CNS Neurosci Ther, 2024, 30(9):e70017 |   | 
                                
                                    
                                        | S2851 | Baricitinib | Baricitinib is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM in cell-free assays, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2. Baricitinib is found to reduce or interrupt the passage of the virus into target cells and is used in the treatment research for COVID-19. Phase 3. | 
                                                        Cell Rep Med, 2025, 6(3):102027 
                                                        Cell Rep, 2025, 44(3):115403 
                                                        Cell Rep, 2025, S2211-1247(25)00781-8 |   | 
                                
                                    
                                        | S2219 | Momelotinib (CYT387) | Momelotinib (CYT387, LM-1149 , CYT11387) is an ATP-competitive inhibitor of JAK1/JAK2 with IC50 of 11 nM/18 nM, ~10-fold selectivity versus JAK3. Momelotinib (CYT387) induces apoptosis and autophagy. Phase 3. | 
                                                        Cancer Med, 2025, 14(5):e70047 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Cell Rep, 2023, 42(9):113067 |   | 
                                
                                    
                                        | S7605 | Filgotinib (GLPG0634) | Filgotinib (GLPG0634) is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively. Phase 2. | 
                                                        J Crohns Colitis, 2025, 19(6)jjaf076 
                                                        Int J Mol Sci, 2025, 26(13)6139 
                                                        Rheumatology (Oxford), 2025, keaf227 |   | 
                                
                                    
                                        | S7119 | Go6976 | Go6976 (PD406976) is a potent PKC inhibitor with IC50 of 7.9 nM, 2.3 nM, and 6.2 nM for PKC (Rat brain), PKCα, and PKCβ1, respectively. Also a potent inhibitor of JAK2 and Flt3. | 
                                                        FASEB J, 2025, 39(12):e70768 
                                                        FASEB J, 2025, 39(12):e70768 
                                                        bioRxiv, 2025, 2025.02.02.636139 |   | 
                                
                                    
                                        | S7198 | BIO | BIO (GSK-3 Inhibitor IX, 6-bromoindirubin-3-oxime, 6-Bromoindirubin-3'-oxime, MLS 2052) is a specific inhibitor of GSK-3 with IC50 of 5 nM for GSK-3α/β in a cell-free assay, shows >16-fold selectivity over CDK5, also a pan-JAK inhibitor with IC50 of 30 nM for Tyk2. BIO induces apoptosis in human melanoma cells. | 
                                                        Cell Rep, 2025, 44(3):115361 
                                                        Development, 2025, 152(3)DEV204214 
                                                        bioRxiv, 2025, 2025.04.11.648340 |   | 
                                
                                    
                                        | S1134 | AT9283 | AT9283 is a potent JAK2/3 inhibitor with IC50 of 1.2 nM/1.1 nM in cell-free assays; also potent to Aurora A/B, Abl1(T315I). | 
                                                        Biochim Biophys Acta Mol Cell Res, 2025, 1872(7):120001 
                                                        Clin Exp Med, 2025, 25(1):125 
                                                        Adv Biol Regul, 2025, 95:101072 |   | 
                                
                                    
                                        | S2902 | S-Ruxolitinib (INCB018424) | S-Ruxolitinib is the chirality of INCB018424, which is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM, >130-fold selectivity for JAK1/2 versus JAK3. Phase 3. | 
                                                        iScience, 2024, 27(10):110862 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Front Immunol, 2023, 14:1185570 |  | 
                                
                                    
                                        | S2179 | Gandotinib (LY2784544) | Gandotinib (LY2784544) is a potent JAK2 inhibitor with IC50 of 3 nM, effective in JAK2V617F, 8- and 20-fold selective versus JAK1 and JAK3. Phase 2. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        bioRxiv, 2024, 2024.12.09.624203 
                                                        Proc Natl Acad Sci U S A, 2022, 119(15):e2122512119 |   | 
                                
                                    
                                        | S2692 | TG101209 | TG101209 is a selective JAK2 inhibitor with IC50 of 6 nM, less potent to Flt3 and RET (c-RET) with IC50 of 25 nM and 17 nM in cell-free assays, ~30-fold selective for JAK2 than JAK3, sensitive to JAK2V617F and MPLW515L/K mutations. | 
                                                        Signal Transduct Target Ther, 2025, 10(1):131 
                                                        Phytomedicine, 2023, 117:154918 
                                                        EBioMedicine, 2022, 78:103963 |   | 
                                
                                    
                                        | S7634 | Cerdulatinib (PRT062070) hydrochloride | Cerdulatinib (PRT-062070, PRT2070) hydrochloride is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively. Also inhibits 19 other tested kinases with IC50 less than 200 nM. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Int J Mol Sci, 2023, 24(17)13623 
                                                        Cells, 2023, 12(3)453 |  | 
                                
                                    
                                        | S5754 | Baricitinib phosphate | Baricitinib phosphate (INCB-028050, LY-3009104) is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2. Baricitinib is found to reduce or interrupt the passage of the virus into target cells and is used in the treatment research for COVID-19. | 
                                                        Cell Mol Life Sci, 2024, 81(1):152 
                                                        J Virol, 2023, 97(12):e0127623 
                                                        Physiol Rep, 2023, 11(19):e15829 |  | 
                                
                                    
                                        | S2686 | NVP-BSK805 2HCl | NVP-BSK805 2HCl is a potent and selective ATP-competitive JAK2 inhibitor with IC50 of 0.5 nM,>20-fold selectivity towards JAK1, JAK3 and TYK2. | 
                                                        bioRxiv, 2024, 2024.12.05.627084 
                                                        Int J Mol Sci, 2022, 23(9)4597 
                                                        Sci Rep, 2022, 12(1):7 |   | 
                                
                                    
                                        | S8057 | Pacritinib | Pacritinib is a potent and selective inhibitor of Janus Kinase 2 (JAK2) and Fms-Like Tyrosine Kinase-3 (FLT3) with IC50s of 23 and 22 nM in cell-free assays, respectively. Phase 3. | 
                                                        Front Pharmacol, 2025, 16:1549183 
                                                        Toxicol In Vitro, 2025, S0887-2333(25)00050-5 
                                                        Cell Rep Med, 2024, 5(10):101748 |   | 
                                
                                    
                                        | S2867 | WHI-P154 | WHI-P154 is a potent JAK3 inhibitor with IC50 of 1.8 μM, no activity against JAK1 or JAK2, also inhibits EGFR, Src, Abl, VEGFR and MAPK, prevents Stat3, but not Stat5 phosphorylation. | 
                                                        Nat Commun, 2023, 14(1):6908 
                                                        Nat Commun, 2023, 14(1):6908 
                                                        Int J Mol Sci, 2023, 10.3390/ijms241813863 |   | 
                                
                                    
                                        | S7259 | FLLL32 | FLLL32 is a potent JAK2/STAT3 inhibitor with IC50 of <5 μM. FLLL32 inhibits the induction of STAT3 phosphorylation by IFNα and IL-6 in breast cancer cells. | 
                                                        Cancer Commun -Lond), 2023, 43(10):1117-1142 
                                                        Microbiol Res, 2023, 276:127480 
                                                        Research Square, 2023, Version 1 |   | 
                                
                                    
                                        | S2806 | CEP-33779 | CEP33779 is a selective JAK2 inhibitor with IC50 of 1.8 nM, >40- and >800-fold versus JAK1 and TYK2. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        J Transl Med, 2023, 21(1):426 
                                                        Int J Mol Sci, 2022, 23(9)4597 |   | 
                                
                                    
                                        | S7541 | Decernotinib (VX-509) | Decernotinib (VX-509) is a potent and selective JAK3 inhibitor with Ki of 2.5 nM, >4-fold selectivity over JAK1, JAK2, and TYK2, respectively. Phase 2/3. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Br J Cancer, 2023, 10.1038/s41416-023-02196-z 
                                                        Cells, 2023, 12(5)770 |  | 
                                
                                    
                                        | S8162 | Upadacitinib | Upadacitinib is a selective JAK1 inhibitor which demonstrates activity against JAK1 (0.045 μM) and JAK2 (0.109 μM),  with > 40 fold selectivity over JAK3 (2.1 μM) and 100 fold selectivity over TYK2 (4.7 μM) as compared to JAK1. | 
                                                        J Crohns Colitis, 2025, 19(6)jjaf076 
                                                        Nature, 2024,  
                                                        Nat Commun, 2024, 15(1):1718 |  | 
                                
                                    
                                        | S2214 | AZ 960 | AZ 960 is a novel ATP competitive JAK2 inhibitor with IC50 and Ki of <3 nM and 0.45 nM, 3-fold selectivity of AZ960 for JAK2 over JAK3. AZ 960 induces apoptosis and growth arrest. | 
                                                        Front Oncol, 2025, 15:1589396 
                                                        Adv Biol Regul, 2025, 95:101072 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. |   | 
                                
                                    
                                        | S8004 | ZM 39923 HCl | ZM 39923 HCl is an JAK1/3 inhibitor with pIC50 of 4.4/7.1, almost no activity to JAK2 and modestly potent to EGFR; also found to be sensitive to transglutaminase. | 
                                                        Sci Rep, 2022, 12(1):7 
                                                        Carcinogenesis, 2020, 41(7):993-1004 
                                                        Int J Biol Sci, 2019, 15(9):1882-1891 |  | 
                                
                                    
                                        | S3566 | Cerdulatinib (PRT062070) | Cerdulatinib (PRT062070, PRT2070) is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively, also inhibits19 other tested kinases with IC50 less than 200 nM. | 
                                                        Cell Rep Med, 2025, S2666-3791(25)00102-8 
                                                        Methods, 2025, 241:13-23 
                                                        NPJ Precis Oncol, 2024, 8(1):74 |  | 
                                
                                    
                                        | S7036 | XL019 | XL019 is a potent and selective JAK2 inhibitor with IC50 of 2.2 nM, exhibiting >50-fold selectivity over JAK1, JAK3 and TYK2. Phase 1. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Biochem Pharmacol, 2023, 215:115704 
                                                        Sci Rep, 2022, 12(1):7 |  | 
                                
                                    
                                        | S7144 | BMS-911543 | BMS-911543 is a potent and selective inhibitor of JAK2 with IC50 of 1.1 nM, ~350-, 75- and 65-fold selective to JAK1, JAK3 and TYK2, respectively. Phase 1/2. | 
                                                        Molecules, 2024, 29(8)1801 
                                                        Mol Metab, 2023, 10.1016/j.molmet.2023.101836 
                                                        NPJ Precis Oncol, 2021, 5(1):75 |  | 
                                
                                    
                                        | S2407 | Curcumol | Curcumol is a pure monomer isolated from Rhizoma Curcumaeis with antitumor activities. | 
                                                        Cell Death Discov, 2024, 10(1):300 
                                                        J Ethnopharmacol, 2021, 280:114413 
                                                        Cell Prolif, 2020, 53(3):e12762 |  | 
                                
                                    
                                        | S5917 | Solcitinib | Solcitinib (GLPG0778, GSK2586184) is an inhibitor of JAK1 with an IC50 of 8-9 nM, and shows 11-, 55- and 23-fold selectivity over JAK2, JAK3 and TYK2, respectively. | 
                                                        Breast Cancer Res, 2024, 26(1):54 
                                                        Cancer Res, 2023, 83(2):264-284 
                                                        JCI Insight, 2023, 8(22)e164672 |  | 
                                
                                    
                                        | S8195 | Oclacitinib maleate | Oclacitinib maleate (PF-03394197) is a novel inhibitor of JAK family members with IC50 ranging from 10 to 99 nM and JAK1-dependent cytokines with IC50 ranging from 36 to 249 nM. It does not inhibit a panel of 38 non-JAK kinases. | 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Molecules, 2024, 29(8)1801 
                                                        Sci Rep, 2022, 12(1):7 |  | 
                                
                                    
                                        | S6789 | Pyridone 6 | Pyridone 6 is a pan-JAK inhibitor with IC50s of 1 nM, 1 nM, 5 nM and 15 nM for JAK2, TYK2, JAK3 and JAK1, respectively. | 
                                                        Cell Commun Signal, 2025, 23(1):194 
                                                        Mol Metab, 2023, 10.1016/j.molmet.2023.101836 
                                                        Nat Commun, 2022, 13(1):6226 |  | 
                                
                                    
                                        | S8765 | Abrocitinib (PF-04965842) | Abrocitinib (PF-04965842) is a potent JAK1 inhibitor with IC50s of 29 nM, 803 nM, > 10 000 nM and 1250 nM for JAK1, JAK2, JAK3 and tyrosine kinase (TYK) 2, respectively. | 
                                                        Nature, 2024,  
                                                        Molecules, 2024, 29(8)1801 
                                                        Acta Derm Venereol, 2024, 104:adv39950 |  | 
                                
                                    
                                        | S5588 | Creatine | Creatine (Methylguanidoacetic acid) is a nitrogenous organic acid that occurs naturally in vertebrates. It facilitates the recycling of adenosine triphosphate (ATP) primarily in muscle and brain tissue.Creatine can inhibits the JAK-STAT1 signal transmission by inhibiting the interaction of IFN-γ receptors with JAK2 in an ATP-independent manner, thereby inhibiting downstream pro-inflammatory gene expression. | 
                                                        Aging (Albany NY), 2022, 14(16):6796-6808 
                                                        Cancer Cell, 2021, S1535-6108(21)00445-1 
                                                        Histochem Cell Biol, 2021, 156(3):227-237 |  | 
                                
                                    
                                        | S8538 | Ritlecitinib (PF-06651600) | Ritlecitinib (PF-06651600) is a potent and irreversible JAK3-selective inhibitor with an IC50 of 33.1 nM but without activity (IC50 > 10 000 nM) against JAK1, JAK2, and TYK2. | 
                                                        Nat Commun, 2024, 15(1):5873 
                                                        Molecules, 2024, 29(8)1801 
                                                        Drug Des Devel Ther, 2022, 16:363-374 |  | 
                                
                                    
                                        | S8879 | Deucravacitinib (BMS-986165) | Deucravacitinib (BMS-986165) is a highly potent and selective allosteric inhibitor of Tyk2 with a Ki value of 0.02 nM for binding to the Tyk2 pseudokinase domain. It is highly selective against a panel of 265 kinases and pseudokinases. | 
                                                        Res Sq, 2025, rs.3.rs-6079043 
                                                        Nat Commun, 2024, 15(1):1718 
                                                        Nat Commun, 2024, 15(1):1337 |  | 
                                
                                    
                                        | S7812 | Itacitinib (INCB39110) | Itacitinib(INCB39110) is an orally bioavailable inhibitor of Janus-associated kinase 1 (JAK1) with potential antineoplastic activity. | 
                                                        Front Immunol, 2025, 16:1514618 
                                                        Arthritis Res Ther, 2025, 27(1):12 
                                                        Nature, 2024, 10.1038/s41586-024-08031-6 |  | 
                                
                                    
                                        | S7650 | Peficitinib | Peficitinib is an orally bioavailable JAK inhibitor. Phase 3. | 
                                                        Int J Mol Sci, 2025, 26(13)6139 
                                                        Antimicrob Agents Chemother, 2024, 68(4):e0135023. 
                                                        Sci Rep, 2024, 14(1):15730 |  | 
                                
                                    
                                        | S0981 | BD750 | BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively. | 
                                                        Cell Mol Life Sci, 2024, 82(1):14 
                                                        Bioengineered, 2022, 13(6):14616-14631 |  | 
                                
                                    
                                        | S5904 | WHI-P97 | WHI-P97 is a potent inhibitor of JAK-3 with an estimated Ki value of 0.09 μM in modeling studies and a measured IC50 value of 2.5 μM in EGFR kinase inhibition assays. | 
                                                        J Med Chem, 2020, 31 |  | 
                                
                                    
                                        | S5903 | JANEX-1 | JANEX-1 (WHI-P131) is a small molecule inhibitor of JAK3 that selectively inhibits JAK3 at an IC50 of 78 µM without altering the activity of JAK1 or JAK2, or any other protein tyrosine kinases (IC50 ≥ 350 µM). | 
                                                        J Cell Commun Signal, 2024, 18(1):e12017 
                                                        JCI Insight, 2023, 8(22)e164672 
                                                        Exp Biol Med (Maywood), 2020, 1535370220942470 |  | 
                                
                                    
                                        | S6919 | Brevilin A | Brevilin A (6-O-Angeloylplenolina), a sesquiterpene lactone isolated from Centipeda minima, is a selective inhibitor of STAT3 and attenuates the JAKs activity by blocking the JAKs tyrosine kinase domain JH1. Brevilin A induces apoptosis and autophagy of colon adenocarcinoma cell CT26 via mitochondrial pathway and PI3K/AKT/mTOR inactivation. | 
                                                        Front Pharmacol, 2022, 13:795613 |  | 
                                
                                    
                                        | S5902 | 1,2,3,4,5,6-Hexabromocyclohexane | 1,2,3,4,5,6-Hexabromocyclohexane (NSC7908) is a potent inhibitor of JAK2 tyrosine kinase autophosphorylation with IC50 value to be estimated in low micromolar range. | 
                                                        Cell Tissue Res, 2016, 364(2):395-404 |  | 
                                
                                    
                                        | S8804 | Brepocitinib (PF-06700841) | Brepocitinib (PF-06700841, PF-841) is a potent inhibitor of Tyk2 and Jak1 with IC50s of 23 nM, 17 nM, 77 nM for Tyk2, Jak1 and Jak2 respectively. It has appropriate in-family selectivity against JAK2 and JAK3. | 
                                                        Cancer Immunol Res, 2021, 9-5:542-553 |  | 
                                
                                    
                                        | S8541 | FM-381 | FM-381 is a JAK3 specific reversible covalent inhibitor with IC50 of 127 pM for JAK3 and demonstrates 400-, 2,700- and 3,600-fold selectivity over JAK1, JAK2, and TYK2, respectively. | 
                                                        Commun Biol, 2020, 3:8 |  | 
                                
                                    
                                        | S0437 | SAR-20347 | SAR-20347 is a potent inhibitor of TYK2, JAK1, JAK2 and JAK3 with IC50 of 0.6 nM, 23 nM, 26 nM and 41 nM, respectively. SAR-20347 inhibits TYK2- and JAK1-mediated IL-12 and IFN-α signaling. | 
                                                        Cancer Discov, 2023, 13(2):410-431 
                                                        Cancer Discov, 2023, 13(2):410-431 |  | 
                                
                                    
                                        | S8684 | Selective JAK3 inhibitor 1 | Selective JAK3 inhibitor 1 is an irreversible JAK3 inhibitor with Ki values of 0.07 nM, 320 nM, 740 nM for JAK3, JAK1 and JAK2 respectively. It is also selective over the other kinases possessing a cysteine in the same region as JAK3, such as BMX, EGFR, ITK, and BTK. | 
                                                        Cancer Sci, 2023, 114(6):2622-2633 |  | 
                                
                                    
                                        | S6899 | Licochalcone D | Licochalcone D (Lico D, LCD, LD), a flavonoid isolated from a Chinese medicinal plant Glycyrrhiza inflata, has antioxidant, anti-inflammatory and anti-cancer properties. Licochalcone D inhibit phosphorylation of NF-κB p65 in LPS signaling pathway. Licochalcone D inhibits JAK2, EGFR and Met (c-Met) activities and induces ROS-dependent apoptosis. Licochalcone D also induces caspases activation and poly (ADP-ribose) polymerase (PARP) cleavage. |  |  | 
                                
                                    
                                        | S6521 | WHI-P258 | WHI-P258 is an inhibitor of JAK3 with Ki value of 72 μM. |  |  | 
                                
                                    
                                        | S0918 | Ginkgolic acid C17:1 | Ginkgolic acid C17:1 (GAC 17:1) inhibits constitutive activation of STAT3 through the abrogation of upstream JAK2 and Src. Ginkgolic acid C17:1 can induce the substantial expression of PTEN and SHP-1. Ginkgolic acid C17:1 induces apoptosis of tumor cells. |  |  | 
                                
                                    
                                        | S7002 | Zotiraciclib | Zotiraciclib (SB1317; TG02) is a novel small molecule potent CDK/JAK2/FLT3 inhibitor, emerged with potent CDK (IC50 against CDKs 1, 2 and 9 = 9, 5 and 3 nM, respectively), FLT3 (IC50 = 19 nM) and JAK2 (IC50 = 19 nM) potency. |  |  | 
                                
                                    
                                        | E1526 | Zasocitinib | Zasocitinib( NDI-034858, TAK-279) is a TYK2 inhibitor, which is currently being investigated in a phase IIb trial for moderate-to-severe plaque psoriasis. |  |  | 
                                
                                    
                                        | S3267 | Nicotiflorin (Kaempferol-3-O-rutinoside) | Nicotiflorin (Kaempferol-3-O-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity. |  |  | 
                                
                                    
                                        | S5554 | Lanatoside C | Lanatoside C is a cardiac glycoside with antiviral and anti-tumor activity. Lanatoside C induces G2/M cell cycle arrest and induces autophagy and apoptosis via attenuating MAPK, Wnt, JAK-STAT, and PI3K/AKT/mTOR signaling pathways. |  |  | 
                                
                                    
                                        | E4630 | Ilginatinib hydrochloride | Ilginatinib hydrochloride (NS-018 hydrochloride) is a potent small-molecule inhibitor of JAK2 that is competitive with adenosine triphosphate (ATP) which exhibits 30–50-fold greater selectivity for JAK2 over other Jak-family kinases such as JAK1, JAK3, and TYK2.It inhibits JAK2, JAK1, JAK3, and TYK2 with IC50 of 0.72 nM, 33 nM, 39 nM, and 22 nM, respectively. It also showed potent inhibition of Src-family kinases, SRC and FYN. It can be used in research of myeloproliferative neoplasms. |  |  | 
                                
                                    
                                        | S6524 | NSC 42834 | NSC42834 (JAK2 Inhibitor V, Z3) is an inhibitor of the autophosphorylation of wild type and V617F mutant forms of JAK2 with IC50 values between 10 and 30 μM. |  |  | 
                                
                                    
                                        | E5866New | Cenacitinib | Cenacitinib is an orally potent and selective allosteric inhibitor of tyrosine kinase 2 (Tyk2). It exhibits significant efficacy and can be used in research for the treatment of moderate to severe psoriasis. |  |  | 
                                
                                    
                                        | E0011 | Linderalactone | Linderalactone inhibits human lung cancer growth by modulating the expression of apoptosis-related proteins (Bax and Bcl-2) with an IC50 of 15 µM in A-549 cells. Linderalactone induces G2/M cell cycle arrest and could also suppress the JAK/STAT signalling pathway. Linderalactone can be isolated from Radix linderae. |  |  | 
                                
                                    
                                        | S0871 | Gusacitinib (ASN-002) | Gusacitinib (ASN-002) is a novel and potent dual inhibitor of spleen tyrosine kinase (SYK) and Janus kinases (JAK) with IC50 values of 5-46 nM in biochemical assays. |  |  | 
                                
                                    
                                        | E6023New | (3R,4S)-Tofacitinib | (3R,4S)-Tofacitinib is a less active enantiomer of Tofacitinib and a first-in-class inhibitor of JAK3 with an IC50 of 1 nM. It is highly efficacious in treating rheumatoid arthritis (RA). |  |  | 
                                
                                    
                                        | E8276New | Golidocitinib 1-hydroxy-2-naphthoate | Golidocitinib 1-hydroxy-2-naphthoate is a derivative of Golidocitinib, an oral, potent, selective inhibitor of Janus kinase 1 (JAK1) with an IC50 of 70 nM. It exhibits enhnaced antitumor activity and can be used for the treatment of cancer, including peripheral T cell lymphoma (PTCL). |  |  | 
                                
                                    
                                        | E4971 | Oclacitinib | Oclacitinib(PF-03394197), an inhibitor of JAK is highly potent at inhibiting JAK1 with an IC50 value of 10 nM, respectively. Oclacitinib is highly potent against the JAK1 enzyme, displaying a 1.8-fold selectivity for JAK1 vs. JAK2 and a 9.9-fold selectivity toward JAK1 vs. JAK3. | 
                                                        Pharmaceuticals (Basel), 2021, 14(10)971 |  | 
                                
                                    
                                        | S7899New | CHZ868 | CHZ868 is an inhibitor of type II JAK2 with an IC50 value of 0.17 μM in EPOR JAK2 WT Ba/F3 cells. CHZ868 demonstrates 60- to 70-fold higher inhibition of JAK1-/TYK2-mediated nuclear STAT1 translocation compared to pan-JAK inhibitors. |  |  | 
                                
                                    
                                        | E2821 | RGB-286638 free base | RGB-286638 free base is a Cyclin-dependent kinase (CDK) inhibitor that inhibits the kinase activity of cyclin T1-CDK9, cyclin B1-CDK1, cyclin E-CDK2, cyclin D1-CDK4, cyclin E-CDK3, and p35-CDK5 with IC50s of 1, 2, 3, 4, 5 and 5 nM, respectively; also inhibits GSK-3β, TAK1, Jak2 and MEK1, with IC50s of 3, 5, 50, and 54 nM. |  |  | 
                                
                                    
                                        | E0793 | G5-7 | G5-7 is an orally active and allosteric JAK2 inhibitor, selectively inhibits JAK2 mediated phosphorylation and activation of EGFR (Tyr1068) and STAT3 by binding to JAK2. |  |  | 
                                
                                    
                                        | E0769 | Ginsenoside Rh4 | Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways. |  |  | 
                                
                                    
                                        | S7640New | Lestaurtinib | Lestaurtinib (CEP-701, KT-5555) is a derivative of the indolocarbazole K252 and a staurosporine analog. It is an orally active inhibitor of receptor protein tyrosine kinases (RPTKs), which inhibits FLT3 and Trk, with an IC50 of 3 nM and < 25 nM, respectively. It also inhibits JAK2 with an IC50 of 0.9 nM. |  |  | 
                                
                                    
                                        | E0324 | Ivarmacitinib | Ivarmacitinib (SHR0302) is a potent and orally active inhibitor of JAK family, particularly JAK1. Ivarmacitinib demonstrates more than 10-fold selectivity for JAK1 over JAK2, 77-fold over JAK3, and 420-fold over Tyk2. Ivarmacitinib also exhibits anti-proliferative and anti-inflammatory effects. |  |  | 
                                
                                    
                                        | S0374 | GDC046 | GDC046 (Compound 3) is a potent, selective, and orally bioavailable inhibitor of TYK2 with Ki of 4.8 nM, 83.8 nM, 27.6 nM and 253 nM for TYK2, JAK1, JAK2, and JAK3, respectively. |  |  | 
                                
                                    
                                        | S7137 | GLPG0634 analogue | GLPG0634 analogue is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively. Phase 2. |  |   | 
                                
                                    
                                        | S0384 | RO495 | RO495 (CS-2667) is a potent inhibitor of Non-receptor tyrosine-protein kinase 2 (TYK2). |  |  | 
                                
                                    
                                        | S1349 | SC99 | SC99 is an orally active, selective STAT3 inhibitor targeting JAK2-STAT3 pathway by docking into the ATP-binding pocket of JAK2, also inhibits phosphorylation of JAK2and STAT3 with no effects on the other kinases associated with STAT3 signaling. |  |  | 
                                
                                    
                                        | S0391 | TG-89 | TG-89 is an inhibitor of JAK2 with IC50 of 11.2 μM. |  |  | 
                                
                                    
                                        | E4720New | Flonoltinib | Flonoltinib (JAK2/FLT3-IN-1) is a potent and selective dual inhibitor of JAK2 and FLT3, with IC50 of of 0.8, 1.4, and 15 nM against JAK2, JAK2V617F, and FLT3, respectively, in in vitro kinase assays. It also inhibits cell proliferation and induces G2/M cell cycle arrest and apoptosis in Hemophagocytic Lymphohistiocytosis (HLH) patients' CD8+T cells, CTLL2 cells, and RAW 264.7 cells. |  |  | 
                                
                                    
                                        | S8802 | Delgocitinib (JTE-052) | Delgocitinib (JTE-052) is a specific  JAK inhibitor with IC50s of 2.8, 2.6, 13 and 58 nM for JAK1, JAK2, JAK3 and Tyk2, respectively. |  |  | 
                                
                                    
                                        | E5818New | Fedratinib hydrochloride hydrate | Fedratinib hydrochloride hydrate (TG-101348 hydrochloride hydrate, SAR 302503 hydrochloride hydrate) is a small-molecule, ATP-competitive inhibitor of JAK2 with IC50s of 3 nM for both JAK2 and JAK2V617F kinase. It induces cancer cell apoptosis and has potential for efficacious treatment of JAK2V617F-associated myeloproliferative disease. |  |  | 
                                
                                    
                                        | E0700 | cucurbitacin E | Cucurbitacin E (α-Elaterin; α-Elaterine), a tetracyclic triterpene derived from the climbing stem of Cucumic melo L, is an inhibitor of JAK2 and STAT3. |  |  | 
                                
                                    
                                        | S9676 | Ropsacitinib (PF-06826647) | Ropsacitinib (PF-06826647, Tyk2-IN-8, compound 10) is a selective and orally administered inhibitor of tyrosine kinase 2 (TYK2) with IC50 of 17 nM for binding to TYK2 catalytically active JH1 domain. PF-06826647 (Tyk2-IN-8, compound 10) also inhibits JAK1 and JAK2 with IC50 of 383 nM and 74 nM, respectively. PF-06826647 (Tyk2-IN-8, compound 10) is used in the treatment of psoriasis (PSO). |  |  | 
                                
                                    
                                        | S8152 | Cucurbitacin I | Cucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3. |  |  | 
                                
                                    
                                        | E1435 | Tinengotinib | Tinengotinib (TT-00420) is a novel multiple kinase inhibitor that strongly inhibits Aurora A/B with IC50 values of 1.2/3.3 nM respectively. It also exhibits potent inhibitory activity on FGFR1/2/3, VEGFR1, JAK1/2, and CSF1R and can be used to treat several prominent signaling pathways in triple-negative breast cancer(TNBC). |  |  |