Tofacitinib Impurity 164 CAS 71607-31-3

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.71607-31-3
Molecular FormulaC20H18O8 H2O
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tofacitinib Impurity 164 CAS 71607-31-3 chemical structure

Description

CATO supplies Tofacitinib Impurity 164 (CAS 71607-31-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H18O8 H2O. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H18O8 H2O
Molecular Weight404.37 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977

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