22d is a select HDAC8 inhibitor.

4SC-202 is a selective class I HDAC inhibitor with IC50 of 1.20 μM, 1.12 μM, and 0.57 μM for HDAC1, HDAC2, and HDAC3, respectively. Also displays inhibitory activity against Lysine specific demethylase 1 (LSD1). Phase 1.

4SC-202 is an orally bioavailable benzamide and inhibitor of human class I histone deacetylases (HDACs) isoenzymes 1, 2 and 3, with potential antineoplastic activity. HDAC inhibitor 4SC-202 selectively binds to and inhibits class I HDACs leading to an acc

A first-in-class, dual inhibitor of PDE5 and HDAC that inhibits HDAC1/2/3/6 (IC50=310/490/322/91 nM, respectively) and PDE5 (IC50=60 nM).

A first-in-class, dual inhibitor of PDE5 and HDAC that inhibits HDAC1/2/3/6 (IC50=310/490/322/91 nM, respectively) and PDE5 (IC50=60 nM).

A first-in-class, dual inhibitor of PDE5 and HDAC that inhibits HDAC1/2/3/6 (IC50=310/490/322/91 nM, respectively) and PDE5 (IC50=60 nM).

A potent and selective HDAC8 inhibitor with IC50 of 0.5 uM..

A potent and selective HDAC8 inhibitor with IC50 of 70 nM.

A potent, selective HDAC1 inhibitor with IC50 of 1.5 uM.

ACY-738 demonstrates inhibitory activity against recombinant HDAC6 with IC50 values of 1.7 nM, with respective average selectivity over class I HDACs being 100-fold.

ACY-957 (ACY957) is a potent, selective inhibitor of HDAC1 and HDAC2 with IC50 of 7 and 18 nM, shows limited activity against HDAC3 (IC50=1,300 nM) and no activity against HDAC4/5/6/7/8/9 (IC50>20 nM).

Belinostat (PXD101) is a novel pan-HDAC inhibitor with IC50 of 27 nM, with activity demonstrated in cisplatin-resistant tumors.

BG45 is an HDAC class I inhibitor with selectivity for HDAC3 (IC50 = 289 nM). It inhibits HDAC1, HDAC2, and HDAC6 with greatly reduced potency (IC50s = 2, 2.2, and >20 µM, respectively).

BML-210 is the novel HDAC inhibitor, and its mechanism of action has not been characterized.

BRD 4354 is a moderately potent inhibitor of HDAC5 and HDAC9, with IC50s of 0.85 and 1.88 μM, respectively.

BRD-73954 is a biochemical inhibitor histone deacetylase cancer histone modification epigenetics gene regulation small molecule HDAC6 HDAC8.

CAY10603 is a potent and selective inhibitor of HDAC6 with IC50 of 2 pM, as compared with 271, 252, 0.42, 6851, and 90.7 nM for HDAC1, 2, 3, 8, and 10, respectively.

CAY10683 is a potent and selective HDAC inhibitor with IC50 of 119 pM for HDAC2, >3600-fold selectivity over other HDACs.

Chidamide is a class I HDAC inhibitor with IC50s of 95/160/67/733 nM for HDAC1/2/3/8; also inhibits HDAC10/11(IC50=78/432 nM); no inhibition on HDAC4/5/7/9/6(IC50>30 uM).

CI994 (Tacedinaline) is an anti-cancer drug which inhibits HDAC1 with IC50 of 0.57 μM.

Corin is a dual inhibitor of histone lysine specific demethylase (LSD1) and histone deacetylase (HDAC), with a Ki(inact) of 110 nM for LSD1 and an IC50 of 147 nM for HDAC1.

CUDC-101 is a potent multi-targeted inhibitor against HDAC, EGFR and HER2 with IC50 of 4.4 nM, 2.4 nM, and 15.7 nM, and inhibits class I/II HDACs, but not class III, Sir-type HDACs. Phase 1.