Alfacalcidol EP Impurity B CAS 63181-13-5

Purity >80%In StockPharmacopoeial Impurity Standards
CAS No.63181-13-5
Molecular FormulaC27H44O2
Molecular Weight400.64 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Alfacalcidol EP Impurity B CAS 63181-13-5 chemical structure

Description

High-purity Alfacalcidol EP Impurity B (CAS 63181-13-5) pharmacopoeial impurity standards reference standard. Molecular formula: C27H44O2. Molecular weight: 400.64 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC27H44O2
Molecular Weight400.64 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>80%
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975

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