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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

  •  NACRES NA.77



Related Categories Approved Therapeutics/Drug Candidates, Bioactive Small Molecule Alphabetical Index, Bioactive Small Molecules, Cell Biology, Cell Signaling and Neuroscience,
Quality Level   100
assay   ≥98% (HPLC)
form   powder
mfr. no.   Pfizer®
color   off-white to yellow
solubility   H2O: >25 mg/mL
originator   Pfizer
SMILES string   Cl.O=C1NCCc2[nH]c(cc12)-c3ccncc3
InChI   1S/C12H11N3O.ClH/c16-12-9-7-11(8-1-4-13-5-2-8)15-10(9)3-6-14-12;/h1-2,4-5,7,15H,3,6H2,(H,14,16);1H



PHA 767491 hydrochloride has been used to study its effect on estrogen-induced DNA damage. It has also been used in western blot analysis and to study the S9.6 nuclear signal in HeLa cells.


5, 25 mg in glass bottle

Biochem/physiol Actions

PHA 767491 serves as a potential anticancer drug. It shows an ameliorating effect against acute myeloid leukemia, colon and breast cancer models. PHA 767491 possesses anti proliferating and apoptotic effect.

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.

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.

Legal Information

Sold for research purposes under agreement from Pfizer Inc.

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

Pfizer is a registered trademark of Pfizer, Inc.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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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

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