Catalog No. Size PriceQuantity
M7499-2 2mg solid $85
M7499-10 10mg solid $255


KO-947 is a potent and selective inhibitor of ERK1/2 kinases. KO-947 blocks ERK signaling and proliferation of tumor cells exhibiting dysregulation of MAPK pathway signaling at low nanomolar concentrations.

Product information

CAS Number: 1695533-89-1

Molecular Weight: 355.39

Formula: C21H17N5O

Chemical Name: 1,5,6,8-Tetrahydro-6-(phenylmethyl)-3-(4-pyridinyl)-7H-pyrazolo[4,3-g]quinazolin-7-one

Smiles: O=C1NC2=CC3NN=C(C=3C=C2CN1CC1C=CC=CC=1)C1C=CN=CC=1


InChi: InChI=1S/C21H17N5O/c27-21-23-18-11-19-17(20(25-24-19)15-6-8-22-9-7-15)10-16(18)13-26(21)12-14-4-2-1-3-5-14/h1-11H,12-13H2,(H,23,27)(H,24,25)

Technical Data

Appearance: Solid Power

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

Solubility: DMSO 71 mg/mL (199.78 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


  1. Francis Burrows, et al. Cancer Res 2017;77(13 Suppl):Abstra

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

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