HDAC Inhibitors

Cat.No. Product Name Information Product Use Citations Product Validations
S1047 Vorinostat (SAHA) Vorinostat (SAHA) is an HDAC inhibitor with IC50 of ~10 nM in a cell-free assay and abrogates productive HPV-18 DNA amplification.
Mol Cancer, 2025, 24(1):154
Nat Commun, 2025, 16(1):28
Nucleic Acids Res, 2025, 53(20)gkaf1086
Verified customer review of Vorinostat (SAHA)
S1053 Entinostat (MS-275) Entinostat (MS-275, SNDX-275) strongly inhibits HDAC1 and HDAC3 with IC50 of 0.51 μM and 1.7 μM in cell-free assays, compared with HDACs 4, 6, 8, and 10. This compound induces Autophagy and Apoptosis. Phase 3.
Nat Commun, 2025, 16(1):2559
J Clin Invest, 2025, 135(11)e187490
Blood Cancer J, 2025, 15(1):108
Verified customer review of Entinostat (MS-275)
S1030 Panobinostat (LBH589) Panobinostat (LBH589, NVP-LBH589) is a novel broad-spectrum HDAC inhibitor with IC50 of 5 nM in a cell-free assay. It induces autophagy and apoptosis, and effectively disrupts HIV latency in vivo. Phase 3.
Cancer Cell, 2025, 43(4):776-796.e14
Signal Transduct Target Ther, 2025, 10(1):230
Nat Commun, 2025, 16(1):2173
Verified customer review of Panobinostat (LBH589)
S1045 Trichostatin A (TSA) TSA (Trichostatin A) is an HDAC inhibitor with an IC50 of ~1.8 nM in cell-free assays.
Nat Cell Biol, 2025, 27(1):73-86
Sci Bull (Beijing), 2025, S2095-9273(25)00472-4
Cell Rep Med, 2025, S2666-3791(25)00102-8
Verified customer review of Trichostatin A (TSA)
S3020 Romidepsin (FK228) Romidepsin (FK228, Depsipeptide, FR 901228, NSC 630176) is a potent HDAC1 and HDAC2 inhibitor with IC50 of 36 nM and 47 nM in cell-free assays, respectively. This compound controls growth and induces apoptosis in neuroblastoma tumour cells.
J Extracell Vesicles, 2025, 14(2):e70042
Nucleic Acids Res, 2025, 53(20)gkaf1086
Cell Rep Med, 2025, S2666-3791(25)00102-8
Verified customer review of Romidepsin (FK228)
S1122 Mocetinostat (MGCD0103) Mocetinostat (MGCD0103, MG0103) is a potent HDAC inhibitor with most potency for HDAC1 with IC50 of 0.15 μM in a cell-free assay, 2- to 10- fold selectivity against HDAC2, 3, and 11, and no activity to HDAC4, 5, 6, 7, and 8. Mocetinostat (MGCD0103) induces Apoptosis and Autophagy. Phase 2.
Aging Cell, 2025, e70075
iScience, 2025, 28(3):112015
Cell Signal, 2025, 127:111587
Verified customer review of Mocetinostat (MGCD0103)
S7229 RGFP966 RGFP966 is an HDAC3 inhibitor with an IC50 of 0.08 μM in cell-free assay, exhibiting > 200-fold selectivity over other HDAC.
Nat Commun, 2025, 16(1):2663
Nat Commun, 2025, 16(1):616
Cell Rep Med, 2025, S2666-3791(25)00102-8
Verified customer review of RGFP966
S8049 Tubastatin A Tububastatin A 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). This compound promotes autophagy and increases apoptosis.
Nat Commun, 2025, 16(1):2559
Nat Commun, 2025, 16(1):2663
Cell Death Dis, 2025, 16(1):320
Verified customer review of Tubastatin A
S1085 Belinostat (PXD101) Belinostat is a novel HDAC inhibitor with IC50 of 27 nM in a cell-free assay, with activity demonstrated in cisplatin-resistant tumours. Belinostat (PXD101) induces autophagy.
Cell Rep Med, 2025, S2666-3791(25)00102-8
Cell Death Dis, 2025, 16(1):743
Mol Oncol, 2025, 10.1002/1878-0261.70050
Verified customer review of Belinostat (PXD101)
S8001 Ricolinostat (ACY-1215) Ricolinostat (ACY-1215, Rocilinostat) is a selective HDAC6 inhibitor with an IC50 of 5 nM in a cell-free assay. It is >10-fold more selective for HDAC6 than HDAC1/2/3 (class I HDACs) with slight activity against HDAC8, minimal activity against HDAC4/5/7/9/11, Sirtuin1, and Sirtuin2. Ricolinostat (ACY-1215) suppresses cell proliferation and promotes apoptosis. Phase 2.
Biomolecules, 2025, 15(1)76
Korean J Pain, 2025, 38(2):152-162
Cancer Immunol Immunother, 2024, 73(1):7
Verified customer review of Ricolinostat (ACY-1215)
S1096 Quisinostat (JNJ-26481585) Dihydrochloride Quisinostat (JNJ-26481585) 2HCl is a novel second-generation HDAC inhibitor with highest potency for HDAC1 with IC50 of 0.11 nM in a cell-free assay, modest potency to HDACs 2, 4, 10, and 11; greater than 30-fold selectivity against HDACs 3, 5, 8, and 9 and lowest potency to HDACs 6 and 7. Phase 2.
Cell Discov, 2025, 11(1):81
iScience, 2024, 27(4):109366
iScience, 2024, 27(9):110775
Verified customer review of Quisinostat (JNJ-26481585) Dihydrochloride
S2012 PCI-34051 PCI-34051 is a potent and specific HDAC8 inhibitor with IC50 of 10 nM in a cell-free assay. It has greater than 200-fold selectivity over HDAC1 and 6, more than 1000-fold selectivity over HDAC2, 3, and 10. PCI-34051 induces caspase-dependent apoptosis.
Nat Commun, 2025, 16(1):2663
Nat Commun, 2025, 16(1):515
Adv Sci (Weinh), 2025, 12(40):e05702
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S1484 MC1568 MC1568 is a selective HDAC inhibitor for maize HD1-A with IC50 of 100 nM in a cell-free assay. It is 34-fold more selective for HD1-A than HD1-B.
Nat Commun, 2025, 16(1):2663
Elife, 2024, 12RP86978
iScience, 2024, 27(9):110775
Verified customer review of MC1568
S2627 Tubastatin A HCl Tubastatin A HCl is a potent and selective HDAC6 inhibitor with an IC50 of 15 nM in a cell-free assay. It is selective (1000-fold more) against all other isozymes except HDAC8 (57-fold more).
Nat Metab, 2022, 4(1):44-59
Cancer Lett, 2022, 549:215911
Elife, 2022, 11e67368
Verified customer review of Tubastatin A HCl
S2818 Tacedinaline (CI994) Tacedinaline (CI994, PD-123654, GOE-5549, Acetyldinaline) is a selective class I HDAC inhibitor with IC50 of 0.9, 0.9, 1.2, and >20 μM for human HDAC 1, 2, 3, and 8, respectively. Phase 3.
Nat Commun, 2025, 16(1):2663
Adv Sci (Weinh), 2024, 11(24):e2308945
Biomedicines, 2024, 12(6)1203
Verified customer review of Tacedinaline (CI994)
S3944 VPA (Valproic acid) Valproic acid (VPA) is a fatty acid with anticonvulsant properties used in the treatment of epilepsy. It is also a histone deacetylase (HDAC) inhibitor and is under investigation for treatment of HIV and various cancers. This compound induces autophagy and mitophagy by upregulation of BNIP3 and mitochondrial biogenesis by upregulating PGC-1α. Additionally, it activates Notch-1 signalling.
Cell, 2025, S0092-8674(25)00406-4
Nat Commun, 2025, 16(1):8267
Stem Cell Res Ther, 2025, 16(1):426
S7569 LMK-235 LMK-235 is a selective inhibitor of HDAC4 and HDAC5 with IC50 of 11.9 nM and 4.2 nM, respectively.
Invest Ophthalmol Vis Sci, 2025, 66(9):30
Dev Cell, 2024, S1534-5807(24)00326-5
Environ Pollut, 2024, 355:124194
Verified customer review of LMK-235
S2759 Fimepinostat (CUDC-907) Fimepinostat (CUDC-907) is a dual PI3K and HDAC inhibitor targeting PI3Kα and HDAC1/2/3/10 with IC50 values of 19 nM and 1.7 nM/5 nM/1.8 nM/2.8 nM, respectively. This compound induces cell cycle arrest and apoptosis in breast cancer cells. Phase 1.
Cell Death Discov, 2025, 11(1):172
J Am Heart Assoc, 2025, 14(1):e037400
Viruses, 2024, 16(5)775
Verified customer review of Fimepinostat (CUDC-907)
S2239 Tubacin Tubacin is a highly potent and selective, reversible, cell-permeable HDAC6 inhibitor with an IC50 of 4 nM in a cell-free assay, approximately 350-fold selectivity over HDAC1. This compound reduces the replication of the Japanese Encephalitis Virus via the decrease of viral RNA synthesis.
Dev Cell, 2024, S1534-5807(24)00326-5
Cell Mol Life Sci, 2024, 82(1):32
bioRxiv, 2024, 2024.12.01.626286
Verified customer review of Tubacin
S1168 Valproic Acid sodium Valproic Acid sodium is a HDAC inhibitor by selectively inducing proteasomal degradation of HDAC2, used in the treatment of epilepsy, bipolar disorder and prevention of migraine headaches. Valproic acid induces Notch1 signaling in small cell lung cancer (SCLC) cells. Valproic acid is under investigation for treatment of HIV and various cancers. Valproic acid (VPA) induces autophagy and mitophagy by upregulation of BNIP3 and mitochondrial biogenesis by upregulating PGC-1α.
J Exp Clin Cancer Res, 2024, 43(1):152
J Immunother Cancer, 2024, 12(11)e009805
Front Pharmacol, 2024, 15:1534772
Verified customer review of Valproic Acid sodium
S1999 Sodium butyrate Sodium butyrate (NaB, Butanoic acid sodium salt), sodium salt of butyric acid, is a histone deacetylase inhibitor and competitively binds to the zinc sites of class I and II histone deacetylases (HDACs). This compound inhibits cell cycle progression, promotes differentiation, and induces apoptosis and autophagy in several types of cancer cells.
Cells, 2025, 14(9)627
Nat Commun, 2024, 15(1):4764
Nat Commun, 2024, 15(1):5209
Verified customer review of Sodium butyrate
S2170 ITF-2357 (Givinostat) Hydrochloride Monohydrate Givinostat (ITF2357) is a potent HDAC inhibitor for maize HD2, HD1B and HD1A with IC50 of 10 nM, 7.5 nM and 16 nM in cell-free assays. Phase 2.
J Leukoc Biol, 2024, qiae006
Sci Transl Med, 2022, 14(657):eabg3277
J Exp Clin Cancer Res, 2022, 41(1):325
Verified customer review of ITF-2357 (Givinostat) Hydrochloride Monohydrate
S8567 Tucidinostat (Chidamide) Tucidinostat (Chidamide, HBI-8000, CS-055) is a low nanomolar inhibitor of HDAC1, 2, 3, and 10, the HDAC isotypes well documented to be associated with the malignant phenotype. It exhibits IC50 values of 95, 160, 67, and 78 nM for HDAC1, 2, 3, and 10, respectively.
Nat Commun, 2025, 16(1):616
Cell Rep Med, 2025, S2666-3791(25)00102-8
Oncogenesis, 2025, 14(1):1
S2244 AR-42 AR-42 (HDAC-42) is an HDAC inhibitor with an IC50 of 30 nM. Phase 1.
Nat Commun, 2024, 15(1):4739
EBioMedicine, 2024, 105:105211
Int J Mol Sci, 2024, 25(14)7866
Verified customer review of AR-42
S7324 TMP269 TMP269 is a potent, selective class IIa HDAC inhibitor with an IC50 of 157 nM, 97 nM, 43 nM and 23 nM for HDAC4, HDAC5, HDAC7 and HDAC9, respectively.
Biomedicines, 2024, 12(6)1203
Cell Syst, 2023, 14(6):482-500.e8
Elife, 2022, 11e73718
Verified customer review of TMP269
S2341 (-)-Parthenolide (-)-Parthenolide, an inhibitor of the Nuclear Factor-κB Pathway, specifically depletes HDAC1 protein without affecting other class I/II HDACs; Also promotes the ubiquitination of MDM2 and activates p53 cellular functions.
J Adv Res, 2025, S2090-1232(25)00353-4
Biomed Pharmacother, 2025, 188:118183
Cell Death Discov, 2025, 11(1):286
Verified customer review of (-)-Parthenolide
S7595 Santacruzamate A (CAY10683) Santacruzamate A (CAY10683) is a potent and selective HDAC inhibitor, with IC50 of 119 pM for HDAC2 and >3600-fold selectivity over other HDACs.
Cell Death Dis, 2025, 16(1):160
J Exp Clin Cancer Res, 2024, 43(1):152
Cell Death Dis, 2024, 15(8):593
Verified customer review of Santacruzamate A (CAY10683)
S7596 CAY10603 CAY10603 (BML-281) is a potent and selective HDAC6 inhibitor with IC50 of 2 pM, >200-fold selectivity over other HDACs.
Redox Biol, 2025, 79:103457
Cell Death Dis, 2025, 16(1):743
EBioMedicine, 2024, 105:105211
Verified customer review of CAY10603
S1515 Pracinostat (SB939) Pracinostat (SB939) is a potent pan-HDAC inhibitor with IC50 of 40-140 nM with exception for HDAC6. It has no activity against the class III isoenzyme SIRT I. This compound induces apoptosis in tumour cells. Phase 2.
Cells, 2025, 14(11)852
EBioMedicine, 2024, 105:105211
Nat Commun, 2023, 14(1):5051
Verified customer review of Pracinostat (SB939)
S3592 4-PBA (4-Phenylbutyric acid) 4-PBA (4-Phenylbutyric acid) is a histone deacetylase (HDAC) inhibitor and a key epigenetic inducer of anti-HCV hepatic hepcidin. This compound inhibits LPS-induced inflammation through regulating endoplasmic-reticulum (ER) stress and autophagy in acute lung injury models.
Nat Commun, 2025, 16(1):50
Adv Sci (Weinh), 2025, 12(46):e08991
Phytomedicine, 2025, 145:156939
S1090 Abexinostat (PCI-24781) Abexinostat (PCI-24781, CRA-024781) is a novel pan-HDAC inhibitor that mostly targets HDAC1 with Ki of 7 nM. It shows modest potency to HDACs 2, 3, 6, and 10 and greater than 40-fold selectivity against HDAC8. This compound is currently in Phase 1/2.
Nat Biomed Eng, 2024, 10.1038/s41551-024-01273-9
Cancers (Basel), 2024, 16(21)3606
Nat Commun, 2022, 13(1):2666
Verified customer review of Abexinostat (PCI-24781)
S7292 RG2833 (RGFP109) RG2833 (RGFP109) is a brain-penetrant HDAC inhibitor, and this compound exhibits IC50 values of 60 nM and 50 nM for HDAC1 and HDAC3, respectively, in cell-free assays.
Cell Stress Chaperones, 2024, 29(3):359-380
Cancer Res Commun, 2024, 4(2):349-364
Cell Death Dis, 2023, 14(2):142
Verified customer review of RG2833 (RGFP109)
S1194 CUDC-101 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 this compound inhibits class I/II HDACs, but not class III, Sir-type HDACs. Phase 1.
J Am Heart Assoc, 2025, 14(1):e037400
Nat Commun, 2023, 14(1):2095
J Transl Med, 2023, 21(1):604
Verified customer review of CUDC-101
S8502 TMP195 TMP195 (TFMO 2) is a selective, first-in-class, class IIa HDAC inhibitor with Ki of 59, 60, 26 and 15nM for HDAC4, HDAC5, HDAC7 and HDAC9, respectively.
Nat Commun, 2025, 16(1):2559
J Control Release, 2025, 390:114497
J Nutr Biochem, 2025, 144:109962
S1095 Dacinostat (LAQ824) Dacinostat (LAQ824, NVP-LAQ824) is a novel HDAC inhibitor with IC50 of 32 nM and is known to activate the p21 promoter.
Int J Mol Sci, 2023, 24(17)13660
Clin Transl Med, 2022, 12(5):e798
Cancers (Basel), 2022, 14(19)4708
Verified customer review of Dacinostat (LAQ824)
S4125 4-PBA (Sodium Phenylbutyrate) 4-PBA (Sodium Phenylbutyrate) is a salt of 4-phenylbutyrate or 4-phenylbutyric acid. This compound is a histone deacetylase inhibitor, used to treat urea cycle disorders.
J Clin Invest, 2024, e175310
iScience, 2024, 27(10):110862
Aging Cell, 2023, 22(6):e13840
Verified customer review of 4-PBA (Sodium Phenylbutyrate)
S1422 Droxinostat Droxinostat (NS 41080) is a selective inhibitor of HDAC, mostly for HDACs 6 and 8 with IC50 of 2.47 μM and 1.46 μM, greater than 8-fold selective against HDAC3 and no inhibition to HDAC1, 2, 4, 5, 7, 9, and 10.
PLoS One, 2024, 19(6):e0304914
Exp Ther Med, 2021, 21(5):515
Cancer Sci, 2020, 111(7):2374-2384
Verified customer review of Droxinostat
S7473 Nexturastat A Nexturastat A is a potent and selective HDAC6 inhibitor with IC50 of 5 nM, >190-fold selectivity over other HDACs.
Biomedicines, 2024, 12(6)1203
Cancer Res Commun, 2024, 4(2):349-364
Int J Mol Sci, 2023, 24(5)4720
Verified customer review of Nexturastat A
S8043 Scriptaid Scriptaid (GCK 1026) is an inhibitor of HDAC. It shows a greater effect on acetylated H4 than H3.
Cell Signal, 2025, 127:111587
Cell Res, 2022, 10.1038/s41422-022-00668-0
J Appl Physiol (1985), 2020, 128(2):276-285
Verified customer review of Scriptaid
S7555 Domatinostat (4SC-202) Domatinostat (4SC-202) is a selective class I HDAC inhibitor with IC50 of 1.20 M, 1.12 M, and 0.57 M for HDAC1, HDAC2, and HDAC3, respectively. This compound also displays inhibitory activity against Lysine specific demethylase 1 (LSD1) and is in Phase 1.
Nat Commun, 2023, 14(1):5051
Cell Rep Med, 2023, 4(7):101101
Int J Mol Sci, 2023, 24(13)10817
S2779 M344 (D 237) M344 is a potent HDAC inhibitor with an IC50 of 100 nM and is able to induce cell differentiation.
Int J Mol Sci, 2025, 26(17)8494
Mol Cell Proteomics, 2024, S1535-9476(24)00187-7
Nat Commun, 2020, 29;11(1):2086
Verified customer review of M344 (D 237)
S2693 Resminostat Resminostat (RAS2410) dose-dependently and selectively inhibits HDAC1/3/6 with IC50 of 42.5 nM/50.1 nM/71.8 nM, less potent to HDAC8 with IC50 of 877 nM.
Autophagy, 2025, 1-17.
J Cancer, 2020, 6;11(14):4059-4072
Oncol Lett, 2020, 20(1):533-540
Verified customer review of Resminostat
S7689 BG45 BG45 is a class I HDAC inhibitor with IC50 of 289 nM, 2.0 µM, 2.2 µM and >20 µM for HDAC3, HDAC1, HDAC2, and HDAC6 in cell-free assays, respectively.
iScience, 2024, 27(9):110775
Cancer Res Commun, 2024, 4(2):349-364
Int J Mol Sci, 2023, 24(5)4805
S8464 Citarinostat (ACY-241) Citarinostat (ACY-241, HDAC-IN-2) is an orally available selective HDAC6 inhibitor with IC50 of 2.6 nM and 46 nM for HDAC6 and HDAC3, respectively, and has 13 to 18-fold selectivity towards HDAC6 in comparison to HDAC1-3.
Int J Mol Sci, 2021, 22(5)2592
Endocrinology, 2021, 162(5)bqab036
Oncogene, 2020, 39(13):2786-2796
S6687 SIS17 SIS17 is a mammalian histone deacetylase 11 (HDAC 11)-specific inhibitor with an IC50 of 0.83 μM. This compound inhibits the demyristoylation of HDAC11 substrate, serine hydroxymethyl transferase 2, without inhibiting other HDACs.
Cancer Immunol Immunother, 2025, 74(3):81
Sci Adv, 2025, 11(22):eadv1071
Cell Signal, 2023, 104:110555
S8495 WT161 WT161 is a potent, selective, and bioavailable HDAC6 inhibitor with IC50 values of 0.4 nM, 8.35 nM and 15.4 nM for HDAC6, HDAC1 and HDAC2, respectively; shown to have >100-fold selectivity over other HDACs. This compound induces apoptosis.
Biomedicines, 2024, 12(6)1203
Nat Commun, 2023, 14(1):5051
Front Pharmacol, 2022, 13:780179
S8648 ACY-738 ACY-738 inhibits HDAC6 with low nanomolar potency (IC50=1.7 nM) and a selectivity of 60- to 1500-fold over class I HDACs.
Nat Cell Biol, 2022, 24(4):483-496
Sci Rep, 2022, 12(1):22550
bioRxiv, 2020, 10.1101/2020.12.20.423672
S7278 HPOB HPOB is a potent, selective HDAC6 inhibitor with IC50 of 56 nM, >30-fold selectivity over other HDACs.
Tuberculosis (Edinb), 2021, 127:102062
Molecules, 2018, 23(5)
Neurochem Int, 2016, 99:239-51
Verified customer review of HPOB
S6738 TC-H 106 TC-H 106 (Pimelic Diphenylamide 106) is a slow, tight-binding inhibitor of class I histone deacetylases(HDAC) with Ki value of 148 nM, about 102 nM, 14 nM for HDAC1, HDAC2, HDAC3, respectively.
Cell Rep, 2023, 42(11):113322
Cell Mol Life Sci, 2023, 80(11):333
J Virol, 2022, e0044222
S0709 Tubastatin A TFA 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.
Cell Mol Life Sci, 2023, 80(11):333
Drug Dev Res, 2022, 10.1002/ddr.21927
S3981 Sinapinic Acid Sinapinic acid (Sinapic acid) is a small naturally occurring hydroxycinnamic acid which belongs to phenylpropanoid family and commonly used as matrix in MALDI mass spectrometry. Sinapinic acid (Sinapic acid) acts as an inhibitor of HDAC, with IC50 of 2.27 mM, and also inhibits ACE-I activity.
Biochem Pharmacol, 2025, 241:117171
ROYAL SOCIETY OF CHEMISTRY, 2023, 7, 2953-2973
S5810 UF010 UF010 is a class I HDAC-selective inhibitor with IC50 values of 0.5 nM, 0.1 nM, 0.06 nM, 1.5 nM, 9.1 nM and 15.3 nM for HDAC1, HDAC2, HDAC3, HDAC8, HDAC6 and HDAC10, respectively.
Sci Adv, 2025, 11(22):eadv1071
Biomedicines, 2024, 12(6)1203
S0864 ACY-775 ACY-775 is a potent and selective histone deacetylase 6 (HDAC6) inhibitor with an IC50 of 7.5 nM.
J Exp Clin Cancer Res, 2024, 43(1):152
Int J Mol Sci, 2023, 24(5)4720
S8773 TH34 TH34 is a HDAC inhibitor that shows pronounced selectivity for HDACs 6, 8 and 10 over HDACs 1, 2 and 3. In a NanoBRET assay, this compound strongly binds HDAC6, 8 and 10 with low-micromolar IC50 concentrations (HDAC6: 4.6 µM, HDAC8: 1.9 µM, HDAC10: 7.7 µM).
Dev Cell, 2024, S1534-5807(24)00326-5
J Virol, 2022, e0044222
E8178 Quisinostat Quisinostat(JNJ-26481585) is a potent and orally active second-generation inhibitor of pan-Histone Deacetylase (HDAC). It inhibits HDAC1, HDAC2, HDAC4, HDAC10, HDAC11 with IC50s of 0.11 nM , 0.33 nM , 0.64 nM , 0.46 nM, 0.37 nM respectively. It exhibits potent in vivo antitumor activity and potential clinical use in various solid and hematologic malignancies.
J Am Heart Assoc, 2025, 14(1):e037400
Invest Ophthalmol Vis Sci, 2024, 65(10):26
S1703 Divalproex Sodium Divalproex Sodium, consisting of a compound of sodium valproate and valproic acid in a 1:1 molar relationship in an enteric coated form, is a HDAC inhibitor, used in the treatment for epilepsy.
CNS Neurosci Ther, 2018, 24(5):404-411
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E0391 BRD-6929 BRD-6929 is an inhibitor of histone deacetylase 1 (HDAC1) and HDAC2 with IC50s of 0.04 µM and 0.1 µM, respectively. It exhibits antiproliferative activities against a human cancer cell line (HCT116) and in human mammary epithelial cells (HMEC).
Mol Oncol, 2025, 10.1002/1878-0261.13799
S1073 BML-210 (CAY10433) BML-210 (CAY10433) is a small molecule inhibitor of HDAC. It inhibits the HDAC4-VP16-driven reporter signal in a dose-dependent manner with an apparent IC50 of ~5 µM.
Cell Biochem Funct, 2022, 40(6):589-599
S9262 Raddeanin A Raddeanin A (Raddeanin R3, NSC382873), a triterpenoid saponin from Anemone raddeana Regel, displays moderate inhibitory activity against histone deacetylases (HDACs) and has high antiangiogenic potency, antitumor activity.
Cell Mol Biol (Noisy-le-grand), 2020, 66(7):174-179
E6577New 1-Naphthohydroxamic acid 1-Naphthohydroxamic acid (Compound 2) demonstrates potent and selective inhibition of HDAC8 (IC50 = 14 μM), exhibiting significantly greater selectivity for HDAC8 compared to class I HDAC1 and class II HDAC6 (IC50 >100 μM). This compound does not elevate global histone H4 acetylation levels nor decrease total intracellular HDAC activity. Additionally, 1-Naphthohydroxamic acid has been shown to promote tubulin acetylation.
E5952New PT 3 PT 3 is a benzamide-class, potent, and selective inhibitor of Histone Deacetylase 3 (HDAC3) with an IC50 of 245 nM. It crosses the blood-brain barrier and enhances learning and memory in novel object recognition models in mice.
E8302New YX968 YX968 is a potent, rapid, and selective PROTAC dual degrader of HDAC3/8 with DC50 values of 1.7 nM and 6.1 nM, respectively. It promotes apoptosis and kills cancer cells with a high potency in vitro and can be used in cancer research.
E8292New GEM144 GEM144 is a potent and orally active dual inhibitor of DNA polymerase α (POLA1) and HDAC11 . It exhibits potent antiproliferative activity in vitro and anti-tumour efficacy in vivo by inducing p53 acetylation, p21 activation, G1/S cell cycle arrest, and apoptosis.
E1086 KT-531 KT-531 (KT531) is a potent, selective HDAC6 inhibitor with an IC50 of 8.5 nM, displaying 39-fold selectivity over other HDAC isoforms.
E8326New HNHA HNHA (N-hydroxy-7-(2-naphthylthio) heptanomide) is a cell-permeable inhibitor of histone deacetylase (HDAC) activity, a key enzyme in gene expression and carcinogenesis with an IC50 of 100 nM. It also exhibits anti-tumor activity both in vitro and in vivo.
E1686 SW-100 SW-100 is a selective inhibitor of histone deacetylase 6 (HDAC6) with an IC50 of 2.3 nM. It displays 1000-fold selectivity for HDAC6 relative to all other HDAC isozymes.
E1580 TNG260 TNG260 is an inhibitor of CoREST-selective deacetylase (CoreDAC) that inhibits HDAC1 with 10-fold selectivity over HDAC3. It decreases intratumoural neutrophil infiltration and exhibits immune-mediated cell killing.
E1469 ITF3756 ITF3756 is a selective histone deacetylase 6 (HDAC6) inhibitor bearing a pentaheterocyclic scaffold. It can be used in research of autoimmune disorders, neurodegenerative diseases, and cancer.
E1554 Tefinostat(CHR-2845) Tefinostat (CHR-2845) is a monocyte/macrophage-targeted inhibitor of pan-histone deacetylase (HDAC), which undergoes cleavage mediated by the intracellular esterase human carboxylesterase-1 (hCE-1) to yield the active acid CHR-2847. In vitro studies reveal a specific heightened sensitivity of monocytoid leukemias to this compound.
S2190 Pyroxamide (NSC 696085) Pyroxamide (NSC 696085) is a potent inhibitor of affinity-purified HDAC1 with ID50 of 100 nM, and it also induces growth suppression and cell death in human rhabdomyosarcoma in vitro.
S8743 SKLB-23bb SKLB-23bb is an orally bioavailable HDAC6-selective inhibitor with IC50 values under 100 nmol/L, against most of the cell lines checked. It also has microtubule-disrupting ability.
S6548 NKL 22 NKL 22 is a selective inhibitor of HDAC with an IC50 of 78 µM.
E1319 Corin 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.
S7726 BRD73954 BRD73954 is a potent and selective HDAC inhibitor with IC50 of 36 nM and 120 nM for HDAC6 and HDAC8, respectively.
E0812 CXD101 CXD101 (HDAC-IN-4) is a potent, selective and orally active class I histone deacetylase (HDAC) inhibitor with IC50s of 63 nM, 570 nM and 550 nM for HDAC1, HDAC2 and HDAC3, respectively.
E5948New PB94 PB94 is a potent and selective inhibitor of HDAC11 with an IC50 of 108 nM and exhibits >40-fold selectivity over other HDAC isoforms. It ameliorates neuropathic pain in mouse models and can be radiolabelled with carbon-11 as [¹¹C]this compound for PET imaging, demonstrating significant brain uptake and potential for in vivo imaging applications.
S5905 Suberohydroxamic acid Suberohydroxamic acid (suberic bishydroxamic acid) is a competitive HDAC inhibitor with IC50 values of 0.25 and 0.3 μM for HDAC1 and HDAC3 respectively.
S8962 BRD3308 BRD3308 is a potent and highly selective inhibitor of HDAC3 with an IC50 of 54 nM, 1.26 μM and 1.34 μM for HDAC3, HDAC1 and HDAC2, respectively. This compound activates HIV-1 transcription. It suppresses pancreatic β-cell apoptosis induced by inflammatory cytokines (glucolipotoxic stress) and increases functional insulin release.
S7593 Splitomicin Splitomicin is a selective NAD(+)-dependent histone deacetylase Sir2p inhibitor with an IC50 of 60 μM, showing higher activity in a cell-based assay.
E7940 ACY-957 ACY-957 is a selective chemical inhibitor of HDAC1 and HDAC2 with IC50 values of 7 nM, 18 nM against HDAC1/2 respectively. It induces haemoglobin protein (HbF) in primary erythroid progenitor cells, including those from sickle cell patients, offering a promising approach for treating sickle cell disease (SCD) and β-thalassaemia.
S5438 Biphenyl-4-sulfonyl chloride Biphenyl-4-sulfonyl chloride (p-Phenylbenzenesulfonyl, 4-Phenylbenzenesulfonyl, p-Biphenylsulfonyl) is a HDAC inhibitor with synthetic applications in palladium-catalyzed desulfitative C-arylation.
E5936New FT895 FT895 inhibits HDAC11 with an IC50 of 3 nM.
S9934 KA2507 KA2507, a potent, orally active and selective HDAC6 inhibitor with IC50 of 2.5 nM, shows antitumor activities and immune modulatory effects in preclinical models.
E7481 Givinostat Givinostat is an orally active, hydroxamic acid-containing inhibitor of histone deacetylases (HDACs), with the potential to treat children with systemic juvenile idiopathic arthritis. It primarily targets Class I and II HDACs, with IC50 of 198 nM and 157 nM for HDAC1 and HDAC3, respectively.
S1313 GSK3117391 GSK3117391 (GSK3117391A, HDAC-IN-3) is a potent histone deacetylase (HDAC) inhibitor.
S8769 Tinostamustine(EDO-S101) Tinostamustine (EDO-S101) is a first-in-class alkylating deacetylase inhibitor, with IC50 values of 9 nM, 9 nM, 25 nM, and 107 nM for HDAC1, HDAC2, HDAC3, and HDAC8 (Class 1 HDACs), respectively, and 6 nM and 72 nM for HDAC6 and HDAC10 (Class II HDACs).
S1396 Resveratrol (trans-Resveratrol) Resveratrol has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases(LOX, IC50=2.7 μM), kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.
Aging Cell, 2025, e70075
Biomed Pharmacother, 2025, 190:118393
Breast Cancer Res, 2025, 27(1):186
Verified customer review of Resveratrol (trans-Resveratrol)
S1848 Curcumin Curcumin (Diferuloylmethane, Natural Yellow 3, Turmeric yellow) is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). It is an inhibitor of p300 histone acetylatransferase (IC50~25 μM) and Histone deacetylase (HDAC); activates Nrf2 pathway and supresses the activation of NF-κB. Curcumin induces mitophagy, autophagy, apoptosis, and cell cycle arrest with antitumor activity. Curcumin reduces renal damage associated with rhabdomyolysis by decreasing ferroptosis-mediated cell death. Curcumin exhibits anti-infective properties against various human pathogens like the Influenza Virus, hepatitis C virus, HIV and so on.
J Biol Chem, 2025, 301(7):110305
Mol Pain, 2025, 21:17448069251323668
BMC Immunol, 2025, 26(1):67
Verified customer review of Curcumin
S5771 Sulforaphane Sulforaphane is a naturally occurring isothiocyanate derived from the consumption of cruciferous vegetables, such as broccoli, cabbage, and kale. It is an inducer of Nrf2. This compound is also an inhibitor of histone deacetylase (HDAC) and NF-κB. It increases heme oxygenase-1 (HO-1) and reduces the levels of reactive oxygen species (ROS). It induces cell cycle arrest and apoptosis.
J Clin Invest, 2025, 135(14)e176655
Sci Rep, 2025, 15(1):21271
BMC Cancer, 2025, 25(1):1050
E1912 B102(PARP/HDAC-IN-1) B102(PARP/HDAC-IN-1) is a dual inhibitor of PARP and HDAC, with IC50 of 19.01 nM, 2.13 nM, 1.69 μM, > 10 μM for PARP1, PARP2, HDAC1, HDAC6, respectively, in an enzymatic assay. It exhibits anti-proliferative and anti-tumour effects. It also induces DNA damage and apoptosis in vitro.
S9275 Isoguanosine Isoguanosine (Crotonoside) inhibits FLT3 and HDAC3/6 for the treatment of AML. This compound is a naturally occurring active isomer of guanosine that is found in the seeds of Croton tiglium.