PD 0332991 isethionate

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Cat.No. 4786 - PD 0332991 isethionate | C24H29N7O2.C2H6O4S | CAS No. 827022-33-3
Description: Potent cdk4 and cdk6 inhibitor; brain penetrant
Alternative 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
Purity: ≥98%
Datasheet
Citations (1)
Reviews
Literature (4)

Biological Activity

Potent cyclin-dependent kinase 4 (cdk4) and cdk6 inhibitor (IC50 values are 11 nM and 15 nM respectively). Also displays activity at cdk2, cdk5 and cdk9 (IC50 values reported to be 1.6, 1.8 and 0.42-1.1 μM, respectively). 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.

Licensing Information

Sold for research purposes under agreement from Pfizer Inc.

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
Storage Desiccate at RT
Purity ≥98%
CAS Number 827022-33-3
PubChem ID 11478676
InChI Key LYYVFHRFIJKPOV-UHFFFAOYSA-N
Smiles O=C1C(C(C)=O)=C(C)C(C=NC(NC4=NC=C(N5CCNCC5)C=C4)=N3)=C3N1C2CCCC2.OCCS(=O)(O)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
water 57.37 100
DMSO 5.74 10

Preparing Stock Solutions

The following data is based on the product molecular weight 573.66. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.74 mL 8.72 mL 17.43 mL
5 mM 0.35 mL 1.74 mL 3.49 mL
10 mM 0.17 mL 0.87 mL 1.74 mL
50 mM 0.03 mL 0.17 mL 0.35 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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References

References are publications that support the biological activity of the product.

Michaud et al (2010) Pharmacologic inhibition of cyclin-dependent kinases 4 and 6 arrests the growth of glioblastoma multiforme intracranial xenografts. Cancer Res. 70 3228 PMID: 20354191

Toogood et al (2005) Discovery of a potent and selective inhibitor of cyclin-dependent kinase 4/6. J.Med.Chem. 48 2388 PMID: 15801831

Fry et al (2004) Specific inhibition of cyclin-dependent kinase 4/6 by PD 0332991 and associated antitumor activity in human tumor xenografts. Mol.Cancer Ther. 3 1427 PMID: 15542782

Jorda et al (2018) How selective are pharmacological inhibitors of cell-cycle-regulating cyclin-dependent kinases? J.Med.Chem. 61 9105 PMID: 30234987


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1 Citation for PD 0332991 isethionate

Citations are publications that use Tocris products. Selected citations for PD 0332991 isethionate include:

Garcia et al (2019) Huntington's Disease Patient-Derived Astrocytes Display Electrophysiological Impairments and Reduced Neuronal Support. Front Neurosci 13 669 PMID: 31316341


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Literature in this Area

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