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PZ0178 Sigma-Aldrich

PHA 767491 hydrochloride

≥98% (HPLC)

Synonym: 1,5,6,7-Tetrahydro-2-(4-pyridinyl)-4H-pyrrolo[3,2-c]pyridin-4-one hydrochloride, 2-Pyridin-4-yl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one hydrochloride, PHA-00767491 hydrochloride

  • CAS Number 845538-12-7

  • Empirical Formula (Hill Notation) C12H11N3O · xHCl

  • Molecular Weight 213.24 (free base basis)

  •  MDL number MFCD11519962

  •  PubChem Substance ID 329823752



Other Notes

This compound was developed by Pfizer for Kinase Phosphatase Biology research. To learn more about Sigma′s partnership with Pfizer and view other authentic, high-quality Pfizer compounds, visit sigma.com/bsm-pfizer.

To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.


5, 25 mg in glass bottle

Legal Information

Sold for research purposes under agreement from Pfizer Inc.

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Biochem/physiol Actions

PHA-767491 is a potent and selective ATP-competitive dual inhibitor cdc7/cdk9. PHA-767491 blocks DNA synthesis and affects the phosphorylation of the replicative DNA helicase at Cdc7-dependent phosphorylation sites.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®Pfizer), a collection of 90 Pfizer-developed drugs and research tools. Click here to learn more.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Milli-Q® Water Purification Solutions
Protocols & Articles



Cyclin dependent kinases (CDKs) are typical serine/threonine kinases that display the 11 subdomains shared by all kinases. The complete sequence of the Homo sapiens genome shows that among the ~30,00...
Keywords: Alzheimer Disease, Apoptosis, Atomic absorption spectroscopy, Cancer, Cardiovascular, Catalysis, DNA replication, Diseases, Gene expression, Parkinson Disease, Phosphorylations, Transcription

Pfizer Compounds for Kinase Phosphatase Biology

From our library of Articles, Sigma-Aldrich presents Pfizer Compounds for Kinase Phosphatase Biology

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