Catalog No. Size PriceQuantity
M11682-2 2mg solid $120
M11682-10 10mg solid $360


CP21R7 is potent GSK-3β inhibitor, with an IC50 of 1.8 nM; CP21R7 also shows inhibitory activitiy against PKCα, with an IC50 of 1900 nM.

Product information

CAS Number: 125314-13-8

Molecular Weight: 317.34

Formula: C19H15N3O2



Chemical Name: 3-(3-aminophenyl)-4-(1-methyl-1H-indol-3-yl)-2, 5-dihydro-1H-pyrrole-2, 5-dione

Smiles: CN1C=C(C2=C(C3=CC(N)=CC=C3)C(=O)NC2=O)C2=CC=CC=C12


InChi: InChI=1S/C19H15N3O2/c1-22-10-14(13-7-2-3-8-15(13)22)17-16(18(23)21-19(17)24)11-5-4-6-12(20)9-11/h2-10H,20H2,1H3,(H,21,23,24)

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : ≥ 32 mg/mL (100.84 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:

CP21R7 (Compound 9) is a selective inhibitor of GSK-3β, with an IC50 of 1.8 nM; the IC50 of CP21R7 against PKCα is 1900 nM. CP21R7 (CP21, 3 μM) potently activates canonical Wnt signaling with highest activity. CP21 significantly increases total levels of intracellular β-catenin. CP21 combined with BMP4 induces commitment of hPSCs towards mesoderm.


  1. Gong L, et al. Discovery of potent and bioavailable GSK-3beta inhibitors. Bioorg Med Chem Lett. 2010 Mar 1;20(5):1693-6.
  2. Patsch C, et al. Generation of vascular endothelial and smooth muscle cells from human pluripotent stem cells. Nat Cell Biol. 2015 Aug;17(8):994-1003.

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

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