PD 0332991 isethionate (CAS 827022-33-3): R&D Systems
Catalog Number: 4786
Alternate Names: Palbociclib
Chemical Name: 6-acetyl-8-cyclopentyl-5-methyl-2-[[5-(1-piperazinyl)-2-pyridinyl]amino]pyrido[2,3-d]pyrimidin-7(8H)-one isethionate salt
Biological Activity
Potent Cdk4/6 inhibitor (IC50 values are 11 and 15 nM for Cdk4 and Cdk6 respectively). Selective for Cdk4/6 over a panel of 34 additional protein kinases (IC50 values are > 10 μM). Induces G1 cell cycle arrest and senescence in retinoblastoma protein (Rb)-proficient cell lines; blocks growth of intracranial glioblastoma multiforme xenografts in mice. Brain penetrant.
External Portal Information
Chemicalprobes.org is a portal that offers independent guidance on the selection and/or application of small molecules for research. The use of PD 0332991 is reviewed on the chemical probes website.
Technical Data
  • M.Wt:
    573.66
  • Formula:
    C24H29N7O2.C2H6O4S
  • Solubility:
    Soluble to 100 mM in water and to 10 mM in DMSO
  • Purity:
    >98%
  • Storage:
    Desiccate at RT
  • CAS No:
    827022-33-3
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Additional Information
Licensing Caveats:
Sold for research purposes under agreement from Pfizer Inc.

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