HDAC

Inhibitory Selectivity

Isoform-specific Inhibitors

HDAC Products

New HDAC Products
Catalog No. Information Product Use Citations Product Validations
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.

S2627

Tubastatin A HCl

Tubastatin A HCl (TSA) is a potent and selective HDAC6 inhibitor with IC50 of 15 nM in a cell-free assay. It is selective (1000-fold more) against all other isozymes except HDAC8 (57-fold more).

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 inhibits class I/II HDACs, but not class III, Sir-type HDACs. Phase 1.

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.

S7229

RGFP966

RGFP966 is an HDAC3 inhibitor with IC50 of 0.08 μM in cell-free assay, exhibits > 200-fold selectivity over other HDAC.

S3592New

4-Phenylbutyric acid (4-PBA)

4-Phenylbutyric acid (4-PBA, Benzenebutyric acid) is a histone deacetylase (HDAC) inhibitor and a key epigenetic inducer of anti-HCV hepatic hepcidin. 4-Phenylbutyric acid inhibits LPS-induced inflammation through regulating endoplasmic-reticulum (ER) stress and autophagy in acute lung injury models.

S0864New

ACY-775

ACY-775 is a potent and selective histone deacetylase 6 (HDAC6) inhibitor with IC50 of 7.5  nM.

S1313New

GSK3117391

GSK3117391 (GSK3117391A, HDAC-IN-3) is a potent histone deacetylase (HDAC) inhibitor.

S2244

AR-42

AR-42 (HDAC-42) is an HDAC inhibitor with IC50 of 30 nM. Phase 1.

S2779

M344

M344 is a potent HDAC inhibitor with IC50 of 100 nM and able to induce cell differentiation.

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. Tubacin reduces the replication of the Japanese Encephalitis Virus via the decrease of viral RNA synthesis.

S7292

RG2833 (RGFP109)

RG2833 (RGFP109) is a brain-penetrant HDAC inhibitor with IC50 of 60 nM and 50 nM for HDAC1 and HDAC3 in cell-free assays, respectively.

S8043

Scriptaid

Scriptaid (GCK 1026) is an inhibitor of HDAC. It shows a greater effect on acetylated H4 than H3.

S8049

Tubastatin A

Tubastatin 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). Tubastatin A promotes autophagy and increases apoptosis.

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.

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.

S7324

TMP269

TMP269 is a potent, selective class IIa HDAC inhibitor with IC50 of 157 nM, 97 nM, 43 nM and 23 nM for HDAC4, HDAC5, HDAC7 and HDAC9, respectively.

S7595

Santacruzamate A (CAY10683)

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

S8502

TMP195

TMP195 (TFMO 2) is a selective, first-in-class, class IIa HDAC inhibitor with IC50 of 300 nM in cell-based class IIa HDAC assays.

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.

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.

S9275

Isoguanosine

Isoguanosine (Crotonoside) inhibits FLT3 and HDAC3/6 for the treatment of AML.Isoguanosine is a naturally occurring active isomer of guanosine that is found in the seeds of Croton tiglium.

S6548

NKL 22

NKL 22 is a selective inhibitor of HDAC with IC50 of 78 µM.

S7726

BRD73954

BRD73954 is a potent and selective HDAC inhibitor with IC50 of 36 nM and 120 nM for HDAC6 and HDAC8, respectively.

S8962

BRD3308

BRD3308 is a potant and highly selective inhibitor of HDAC3 with IC50 of 54 nM, 1.26 μM and 1.34 μM for HDAC3, HDAC1 and HDAC2, respectively. BRD3308 activates HIV-1 transcription. BRD3308 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 IC50 of 60 μM, showing a higher activity in a cell-based assay.

S7278

HPOB

HPOB is a potent, selective HDAC6 inhibitor with IC50 of 56 nM, >30-fold selectivity over other HDACs.

S7569

LMK-235

LMK-235 is a selective inhibitor of HDAC4 and HDAC5 with IC50 of 11.9 nM and 4.2 nM, respectively.

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.

S7473

Nexturastat A

Nexturastat A is a potent and selective HDAC6 inhibitor with IC50 of 5 nM, >190-fold selectivity over other HDACs.

S1073

BML-210 (CAY10433)

BML-210 (CAY10433) is a small molecule inhibitor of HDAC.BML-210 inhibits the HDAC4-VP16-driven reporter signal in a dose-dependent manner with an apparent IC50 of ∼5 µM.

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.

S2132

SR-4370

SR-4370 is a potent and selective inhibitor of class I HDACs with IC50 of 0.13 µM, 0.58 µM, 0.006 µM, 2.3 µM, 3.7 µM for HDAC 1, HDAC 2, HDAC 3, HDAC 8, HDAC 6, respectively.SR-4370 suppresses AR signaling and in vivo prostate tumor growth.

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, TH34 strongly binds HDAC6, 8 and 10 with low-micromolar IC50 concentrations (HDAC6: 4.6 µM, HDAC8: 1.9 µM, HDAC10: 7.7 µM).

S6687

SIS17

SIS17 is a mammalian histone deacetylase 11 (HDAC 11)-specific inhibitor with IC50 of 0.83 μM. SIS17 inhibits the demyristoylation of HDAC11 substrate, serine hydroxymethyl transferase 2, without inhibiting other HDACs.

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.

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. WT161 induces apoptosis.

S7596

CAY10603

CAY10603 (BML-281) is a potent and selective HDAC6 inhibitor with IC50 of 2 pM, >200-fold selectivity over other HDACs.

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.

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.

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.

S8323

ITSA-1 (ITSA1)

ITSA-1 (ITSA1) is an HDAC activator via TSA suppression, but shows no activity towards other HDAC inhibitors.

Catalog No. Information Product Use Citations Product Validations
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.

S2627

Tubastatin A HCl

Tubastatin A HCl (TSA) is a potent and selective HDAC6 inhibitor with IC50 of 15 nM in a cell-free assay. It is selective (1000-fold more) against all other isozymes except HDAC8 (57-fold more).

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 inhibits class I/II HDACs, but not class III, Sir-type HDACs. Phase 1.

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.

S7229

RGFP966

RGFP966 is an HDAC3 inhibitor with IC50 of 0.08 μM in cell-free assay, exhibits > 200-fold selectivity over other HDAC.

S3592New

4-Phenylbutyric acid (4-PBA)

4-Phenylbutyric acid (4-PBA, Benzenebutyric acid) is a histone deacetylase (HDAC) inhibitor and a key epigenetic inducer of anti-HCV hepatic hepcidin. 4-Phenylbutyric acid inhibits LPS-induced inflammation through regulating endoplasmic-reticulum (ER) stress and autophagy in acute lung injury models.

S0864New

ACY-775

ACY-775 is a potent and selective histone deacetylase 6 (HDAC6) inhibitor with IC50 of 7.5  nM.

S1313New

GSK3117391

GSK3117391 (GSK3117391A, HDAC-IN-3) is a potent histone deacetylase (HDAC) inhibitor.

S2244

AR-42

AR-42 (HDAC-42) is an HDAC inhibitor with IC50 of 30 nM. Phase 1.

S2779

M344

M344 is a potent HDAC inhibitor with IC50 of 100 nM and able to induce cell differentiation.

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. Tubacin reduces the replication of the Japanese Encephalitis Virus via the decrease of viral RNA synthesis.

S7292

RG2833 (RGFP109)

RG2833 (RGFP109) is a brain-penetrant HDAC inhibitor with IC50 of 60 nM and 50 nM for HDAC1 and HDAC3 in cell-free assays, respectively.

S8043

Scriptaid

Scriptaid (GCK 1026) is an inhibitor of HDAC. It shows a greater effect on acetylated H4 than H3.

S8049

Tubastatin A

Tubastatin 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). Tubastatin A promotes autophagy and increases apoptosis.

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.

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.

S7324

TMP269

TMP269 is a potent, selective class IIa HDAC inhibitor with IC50 of 157 nM, 97 nM, 43 nM and 23 nM for HDAC4, HDAC5, HDAC7 and HDAC9, respectively.

S7595

Santacruzamate A (CAY10683)

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

S8502

TMP195

TMP195 (TFMO 2) is a selective, first-in-class, class IIa HDAC inhibitor with IC50 of 300 nM in cell-based class IIa HDAC assays.

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.

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.

S9275

Isoguanosine

Isoguanosine (Crotonoside) inhibits FLT3 and HDAC3/6 for the treatment of AML.Isoguanosine is a naturally occurring active isomer of guanosine that is found in the seeds of Croton tiglium.

S6548

NKL 22

NKL 22 is a selective inhibitor of HDAC with IC50 of 78 µM.

S7726

BRD73954

BRD73954 is a potent and selective HDAC inhibitor with IC50 of 36 nM and 120 nM for HDAC6 and HDAC8, respectively.

S8962

BRD3308

BRD3308 is a potant and highly selective inhibitor of HDAC3 with IC50 of 54 nM, 1.26 μM and 1.34 μM for HDAC3, HDAC1 and HDAC2, respectively. BRD3308 activates HIV-1 transcription. BRD3308 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 IC50 of 60 μM, showing a higher activity in a cell-based assay.

S7278

HPOB

HPOB is a potent, selective HDAC6 inhibitor with IC50 of 56 nM, >30-fold selectivity over other HDACs.

S7569

LMK-235

LMK-235 is a selective inhibitor of HDAC4 and HDAC5 with IC50 of 11.9 nM and 4.2 nM, respectively.

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.

S7473

Nexturastat A

Nexturastat A is a potent and selective HDAC6 inhibitor with IC50 of 5 nM, >190-fold selectivity over other HDACs.

S1073

BML-210 (CAY10433)

BML-210 (CAY10433) is a small molecule inhibitor of HDAC.BML-210 inhibits the HDAC4-VP16-driven reporter signal in a dose-dependent manner with an apparent IC50 of ∼5 µM.

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.

S2132

SR-4370

SR-4370 is a potent and selective inhibitor of class I HDACs with IC50 of 0.13 µM, 0.58 µM, 0.006 µM, 2.3 µM, 3.7 µM for HDAC 1, HDAC 2, HDAC 3, HDAC 8, HDAC 6, respectively.SR-4370 suppresses AR signaling and in vivo prostate tumor growth.

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, TH34 strongly binds HDAC6, 8 and 10 with low-micromolar IC50 concentrations (HDAC6: 4.6 µM, HDAC8: 1.9 µM, HDAC10: 7.7 µM).

S6687

SIS17

SIS17 is a mammalian histone deacetylase 11 (HDAC 11)-specific inhibitor with IC50 of 0.83 μM. SIS17 inhibits the demyristoylation of HDAC11 substrate, serine hydroxymethyl transferase 2, without inhibiting other HDACs.

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.

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. WT161 induces apoptosis.

S7596

CAY10603

CAY10603 (BML-281) is a potent and selective HDAC6 inhibitor with IC50 of 2 pM, >200-fold selectivity over other HDACs.

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.

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.

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.

Catalog No. Information Product Use Citations Product Validations
S8323

ITSA-1 (ITSA1)

ITSA-1 (ITSA1) is an HDAC activator via TSA suppression, but shows no activity towards other HDAC inhibitors.