FNDR-20123 free base is an orally active, safe and a first-in-class anti-malarial HDAC inhibitor with IC50s of 31 nM and 3 nM for Plasmodium and human HDAC, respectively. FNDR-20123 free base exerts anti-malarial activity against Plasmodium falciparum asexual stage (IC50=41 nM) and sexual blood stage (IC50=190 nM for male gametocytes). FNDR-20123 free base inhibits HDAC1, HDAC2, HDAC3, HDAC6, and HDAC8 (IC50=25, 29, 2, 11, and 282 nM, respectively) and inhibits Class III HDAC isoforms at nanomolar concentrations.

Ac-Arg-Gly-Lys(Ac)-AMC is a substrate for HDAC.

Psammaplin A, a marine metabolite, is a potent inhibitor of HDAC and DNA methyltransferases. Psammaplin A ia a highly potent and selective DAC1 inhibitor with an IC50 of 0.9 nM. Psammaplin A possess the antimicrobial effect on the Gram-positive bacteria and inhibits DNA synthesis and DNA gyrase activity. Antitumor Activity.

Tucidinostat D4 (Chidamide D4) is the deuterium labeled Tucidinostat. Tucidinostat is a potent and orally bioavailable HDAC enzymes class I (HDAC1/2/3) and class IIb (HDAC10) inhibitor, with IC50s of 95, 160, 67 and 78 nM, respectively.

MPI_5a is a potent selective inhibitor of HDAC6, and poorly blocks other HDAC enzymes.

Tubastatin A TFA (Tubastatin A trifluoroacetate salt) is a potent and selective HDAC6 inhibitor with IC50 of 15 nM in a cell-free assay. It is selective against all the other isozymes (1000-fold) except HDAC8 (57-fold). Tubastatin A promotes autophagy and increases apoptosis.

SALL4 peptide FFW (RRKFAKFQWI, FFW peptide) is a potent therapeutic SALL4 peptide antagonist of SALL4-NURD (nucleosome remodeling deacetylase) interaction with target affinity of 23 nM.

WT-161 is a potent and selective HDAC6 inhibitor with an IC50 of 0.40 nM.

Tianeptinostat is a class I HDAC inhibitor with IC50 of 28, 33 and 51 nM for HDAC1, 2 and 3, respectively, also inhibits HDAC6 (IC50=1.6 nM) but not HDAC5 (IC50>80 uM).

Tianeptinaline is a class I HDAC-selective, brain penetrant analogue of tianeptine with IC50 of 0.24, 0.12 and 0.155 uM for HDAC1, 2 and 3 respectively, does not inhibit HDAC6.

Resminostat(RAS2410; 4SC-201) is a potent inhibitor of HDAC1/3/6(IC50=43-72 nM); less potent to HDAC8 with IC50 of 877 nM.

MPT0G211 is a novel potent, selective HDAC6 inhibitor with IC50 of 0.291 nM, displays >1,000-fold selectivity over other HDAC isoforms.

MPT0E028 is a potent HDAC inhibitor that inhibits nuclear HDAC activity with IC50 of 11.1 nM in HeLa cells, 9-30 times more potent than SAHA.

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).

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

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

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

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).

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.