Ischemin, CBP Bromodomain Inhibitor

Catalog No. size PriceQuantity
M60229-2S 2 mg solid $79
M60229-10S 10 mg solid $312


Ischemin is a potent, selective and cell permeable CBP bromodomain inhibitor. It inhibits the acetyl-lysine binding activity of the bromodomain of CBP. It alters post-translational modifications on p53 and histones, inhibits p53 interaction with CBP and transcriptional activity in cells, and prevents Doxorubicin-induced apoptosis in ischemic cardiomyocytes. Ischemin is a good chemical probe to modulate acetylation-mediated interactions in gene transcription and a new approach to therapeutic interventions of human disorders such as myocardial ischemia

Product information

CAS Number: 1357059-00-7

Molecular Weight: 357.36

Formula: C15H16N3NaO4S

Chemical Name: sodium (E)-5-((2-amino-4-hydroxy-5-methylphenyl)diazenyl)-2,4-dimethylbenzenesulfonate

Smiles: [Na+].CC1C=C(/N=N/C2C=C(C(C)=CC=2C)S([O-])(=O)=O)C(N)=CC=1O


InChi: InChI=1S/C15H17N3O4S.Na/c1-8-4-10(3)15(23(20,21)22)7-12(8)17-18-13-5-9(2)14(19)6-11(13)16;/h4-7,19H,16H2,1-3H3,(H,20,21,22);/q;+1/p-1/b18-17+;

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO up to 100 mM

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

Ischemin was used at 10-50 µM final concentration in various in vitro assays.


  1. Borah JC, et al. A small molecule binding to the coactivator CREB-binding protein blocks apoptosis in cardiomyocytes. (2011) Chem Biol. 18(4):531-41.

Products are for research use only. Not for human use.


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