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MS-275 (Entinostat)

Catalog No.: A10611

HDAC inhibitor

MS-275 (Entinostat)

MS-275 (Entinostat) Chemical Structure

CAS NO. 209783-80-2

MS-275 (Entinostat) is a potent HDAC inhibitor with IC50 of 0.3 and 8uM for HDAC1 and HDAC3, respectively.

Availability: In stock

Package Price Qty
10 mg
25 mg
50 mg
200 mg
10mM * 1mL in DMSO
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Warning Products are for laboratory research use only. Not for human use. We do not sell to patients.
  • Vivek Bora, .et al. Systemic study of selected histone deacetylase inhibitors in cardiac complications associated with cancer cachexia, Can J Physiol Pharmacol, 2021, 6 October
  • Taito Kashio, .et al. HDAC inhibitor, MS-275, increases vascular permeability by suppressing Robo4 expression in endothelial cells, Tissue Barriers, 2021, May 6;1911195 PMID: 33955828
  • Ting-Yu Chang, .et al. A novel histone deacetylase inhibitor MPT0L184 dysregulates cell-cycle checkpoints and initiates unscheduled mitotic signaling, Biomed Pharmacother, 2021, Jun;138:111485 PMID: 33740521
  • Arshdeep Singh, .et al. CAP rigidification of MS-275 and chidamide leads to enhanced antiproliferative effects mediated through HDAC1, 2 and tubulin polymerization inhibition, Eur J Med Chem, 2021, Apr 5;215:113169 PMID: 33588178
  • Minoru Ueda, .et al. The Distinct Roles of Class I and II RPD3-Like Histone Deacetylases in Salinity Stress Response, Plant Physiol, 2017, Dec; 175(4): 1760-1773 PMID: 29018096

Biological Activity

MS-275 (Entinostat) is a potent HDAC inhibitor with IC50 of 0.3 and 8uM for HDAC1 and HDAC3, respectively.
HDAC1 (Cell-free assay) HDAC3 (Cell-free assay)
0.51 μM1.7 μM
In vitro (25°C) DMSO 71 mg/mL (188.62 mM)
Water Insoluble
Ethanol Insoluble
In vivo 2% DMSO+30% PEG 300+ddH2O 9 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.1 mM 26.57 mL 132.84 mL 265.67 mL
0.5 mM 5.31 mL 26.57 mL 53.13 mL
1 mM 2.66 mL 13.28 mL 26.57 mL
5 mM 0.53 mL 2.66 mL 5.31 mL

*The above data is based on the productmolecular weight 376.4. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Catalog Num A10611
Actions Inhibitor
CAS No. 209783-80-2
Formula C21H20N4O3
M. Wt 376.4
Purity >98%
Synonyms SNDX-275

Store lyophilized at -20ºC, keep desiccated.
In lyophilized form, the chemical is stable for 36 months.
In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

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