Palbociclib Impurity 158 CAS 2639903-34-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.2639903-34-5
Molecular FormulaC13H15BrClN3O2
Molecular Weight360.63 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Palbociclib Impurity 158 CAS 2639903-34-5 chemical structure

Description

CATO supplies Palbociclib Impurity 158 (CAS 2639903-34-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H15BrClN3O2. Molecular weight: 360.63 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H15BrClN3O2
Molecular Weight360.63 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2001
Halogen ContentCl/Br-containing
Nitrogen Atoms3

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