JAK2 Selective Inhibitors

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S2162 AZD1480

AZD1480 is a novel ATP-competitive JAK2 inhibitor with IC50 of 0.26 nM, selectivity against JAK3 and Tyk2, and to a smaller extent against JAK1. Phase 1.

Selective JAK2, IC50: 0.26 nM
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.

Selective JAK2, Ki: 0.45 nM; JAK2, IC50: <3 nM
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.

Selective JAK2, IC50: ~0.5 nM
S2806 CEP-33779

CEP33779 is a selective JAK2 inhibitor with IC50 of 1.8 nM, >40- and >800-fold versus JAK1 and TYK2.

Selective JAK2, IC50: 1.8 nM
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.

Selective JAK2, IC50: 2.2 nM
S2736 Fedratinib (SAR302503, TG101348)

TG-101348 (SAR302503) is a selective inhibitor of JAK2 with IC50 of 3 nM, 35- and 334-fold more selective for JAK2 versus JAK1 and JAK3. Phase 2.

Selective JAK2 (V617F), IC50: 3 nM; JAK2, IC50: 3 nM
S2692 TG101209

TG101209 is a selective JAK2 inhibitor with IC50 of 6 nM, less potent to Flt3 and RET with IC50 of 25 nM and 17 nM, ~30-fold selective for JAK2 than JAK3, sensitive to JAK2V617F and MPLW515L/K mutations.

Selective JAK2, IC50: 6 nM
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. Phase 1.

Selective JAK2, IC50: 2.3 μM
S1143 AG-490 (Tyrphostin B42)

AG-490 (Tyrphostin B42) is an inhibitor of EGFR with IC50 of 0.1 μM, 135-fold more selective for EGFR versus ErbB2, also inhibits JAK2 with no activity to Lck, Lyn, Btk, Syk and Src.

Selective JAK2, IC50: ~10 μM
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.

Selective
S2407 Curcumol

Curcumol is a pure monomer isolated from Rhizoma Curcumaeis with antitumor activities.

Selective
S7119 Go6976

Go6976 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.

Selective
S2179 LY2784544

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.

Pan JAK2 (V617F), Ki: 0.245 nM; JAK2, Ki: 0.288 nM; JAK2, IC50: 2.52 nM
S1134 AT9283

AT9283 is a potent JAK2/3 inhibitor with IC50 of 1.2 nM/1.1 nM; also potent to Aurora A/B, Abl(T315I). Phase 2.

Pan JAK2, IC50: 1.2 nM
S1378 Ruxolitinib (INCB018424)

INCB018424 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.

Pan JAK2, IC50: 2.8 nM
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.

Pan JAK2, IC50: 2.8 nM
S2851 Baricitinib (LY3009104, INCB028050)

Baricitinib (LY3009104, INCB028050) 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. Phase 3.

Pan JAK2, IC50: 5.7 nM
S7634 Cerdulatinib (PRT062070, PRT2070)

Cerdulatinib (PRT-062070) 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.

Pan JAK2, IC50: 6 nM
S2219 Momelotinib (CYT387)

Momelotinib (CYT387) is an ATP-competitive inhibitor of JAK1/JAK2 with IC50 of 11 nM/18 nM, ~10-fold selectivity versus JAK3. Phase 3.

Pan JAK2, IC50: 18 nM
S8057 Pacritinib (SB1518)

Pacritinib (SB1518) 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, respectively. Phase 3.

Pan JAK2 (V617F), IC50: 19 nM; JAK2, IC50: 23 nM
S2789 Tofacitinib (CP-690550,Tasocitinib)

Tofacitinib (CP-690550,Tasocitinib) is a novel inhibitor of JAK3 with IC50 of 1 nM, 20- to 100-fold less potent against JAK2 and JAK1.

Pan JAK2, IC50: 20 nM
S5001 Tofacitinib (CP-690550) Citrate

Tofacitinib (CP-690550) Citrate is a novel inhibitor of JAK3 with IC50 of 1 nM, 20- to 100-fold less potent against JAK2 and JAK1.

Pan JAK2, IC50: 20 nM
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.

Pan JAK2, IC50: 28 nM