Synthetic Lethality Chemicals

Cat.No. Product Name Information Product Use Citations Product Validations
S7315 PFI-3 PFI-3 is a selective chemical probe for SMARCA bromodomains, including SMARCA2, SMARCA4 and PB1(5) bromodomains.
Cell Rep, 2023, 42(2):112097
J Transl Med, 2023, 21(1):639
Clinical Science, 2021, 1873–1895
Verified customer review of PFI-3
S8111 GSK591 GSK591 (EPZ015866, GSK3203591) is a potent selective inhibitor of the arginine methyltransferase PRMT5 with IC50 of 4 nM.
J Immunother Cancer, 2025, 13(4)e011299
J Clin Invest, 2024, e175023
Cancer Lett, 2024, 604:217263
Verified customer review of GSK591
S2271 Berberine chloride Berberine chloride is a quaternary ammonium salt from the group of isoquinoline alkaloids. This compound activates caspase 3 and caspase 8, cleavage of poly ADP-ribose polymerase (PARP) and the release of cytochrome c. It decreases the expression of c-IAP1, Bcl-2 and Bcl-XL. This chemical induces apoptosis with sustained phosphorylation of JNK and p38 MAPK, as well as generation of the ROS. It is a dual topoisomerase I and II inhibitor. It is also a potential autophagy modulator.
J Cardiovasc Dev Dis, 2025, 12(7)278
Adv Healthc Mater, 2023, e2300591.
Transl Oncol, 2023, 35:101712
S3600 Schisandrin B Schisandrin B is the most abundant dibenzocyclooctadiene lignan present in the traditional Chinese medicinal herb Schisandra chinensis (Turcz.) Baill. It is a kind of ATR and P-gp inhibitor with high safety.
Phytomedicine, 2025, 141:156672
Front Pharmacol, 2025, 16:1547685
Sci Rep, 2025, 15(1):8452
S8883 LLY-283 LLY-283 is a novel and selective inhibitor of protein arginine methyltransferase 5 (PRMT5). This compound inhibits PRMT5 enzymatic activity in vitro and in cells with IC50 of 22 nM and 25 nM, respectively. It shows antitumor activity.
Nucleic Acids Research, 2026, gkag016
Mol Cancer Res, 2025, 23(2):107-118
Res Sq, 2025, rs.3.rs-5936706
S5967 Berberine chloride hydrate Berberine (Natural Yellow 18) chloride hydrate is a quaternary ammonium salt from the group of isoquinoline alkaloids. Berberine activates caspase 3 and caspase 8, cleavage of poly ADP-ribose polymerase (PARP) and the release of cytochrome c. Berberine chloride decreases the expression of c-IAP1, Bcl-2 and Bcl-XL. Berberine chloride induces apoptosis with sustained phosphorylation of JNK and p38 MAPK, as well as generation of the ROS. Berberine chloride is a dual topoisomerase I and II inhibitor. Berberine chloride is also a potential autophagy modulator.
Front Biosci (Landmark Ed), 2022, 27(8):242
Front Pharmacol, 2021, 12:632201
S3224 Cinobufagin Cinobufagin (Cinobufagine), an active ingredient of Venenum Bufonis, inhibits tumor development. This compound increases ATM and Chk2 and decreases CDC25C, CDK1, and cyclin B. It inhibits PI3K, AKT and Bcl-2 while increases levels of cleaved caspase-9 and caspase-3. Thus, this chemical induces cell cycle arrest at the G2/M phase and apoptosis.
E5842New Nudifloramide Nudifloramide (2PY, N-methyl-2-pyridone-5- carboxamide) is a pyridine derivative of nicotinamide that inhibits PARP-1 (poly (ADP-ribose) polymerase-1) activity in vitro, with an IC50 of 8 µM.
E1633 BAY-805 BAY-805 is a potent, selective, and cell-active inhibitor that non-covalently targets the catalytic activity of USP21, a member of the ubiquitin-specific protease (USP) subfamily of deubiquitinating enzymes (DUBs).
S9360 4-Hydroxyquinazoline 4-Hydroxyquinazoline (Quinazolin-4-ol, 4-Quinazolinol) is a PARP inhibitor with a high potency for PARP-1 with IC50 of 9.5 μM.
E1136 SKLB-197 SKLB-197 exerts selectively inhibition against ataxia telangiectasia mutated and Rad3-related (ATR) kinase with IC50 of 0.013 μM, also displays potent antitumor activity against ATM-deficent tumors both in vitro and in vivo.
E0449 SGC-SMARCA-BRDVIII

SGC-SMARCA-BRDVIII is a potent and selective SMARCA2/4 BRD inhibitor.