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CPI644

Chemical Structure : CPI644

CAS No.: 1904647-34-2

CPI644 (CPI 644;CPI-644)

Catalog No.: PC-60857Not For Human Use, Lab Use Only.

CPI644 is a potent, selective, cell-active CBP/EP300 bromodomain inhibitor with IC50 of 0.18 uM for CBP.

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Purity & Documentation Purity: >98% (HPLC)

Biological Activity

CPI644 is a potent, selective, cell-active CBP/EP300 bromodomain inhibitor with IC50 of 0.18 uM for CBP; displays little to no (>400-fold selectivity) activity for BRD9, BRD4, BRPF1, TRIM24, BRG1 and BACF (IC50>10 uM); inhibits CBP bromodomain binding in a dose-dependent manner with cellular EC50 of 0.53 uM, reduces FOXP3 expression both at protein and transcript levels with no appreciable effect on cell viability.

Physicochemical Properties

M.Wt 357.428
Formula C18H19N3O3S
Appearance Solid
CAS No.
Storage
Solide Powder
-20 °C 12 Months; 4°C 6 Months
In Solvent
-80 °C 6 Months; -20°C 6 Months
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Solubility

10 mM in DMSO

Chemical Name/SMILES

(R,E)-2-(2-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-6-yl)vinyl)benzenesulfonamide

References

1. Ghosh S, et al. J Biol Chem. 2016 Jun 17;291(25):13014-27.

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