Alfacalcidol EP Impurity A CAS 65445-14-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.65445-14-9
Molecular FormulaC27H44O2
Molecular Weight400.64 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Alfacalcidol EP Impurity A CAS 65445-14-9 chemical structure

Description

Alfacalcidol EP Impurity A (CAS 65445-14-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H44O2. Molecular weight: 400.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC27H44O2
Molecular Weight400.64 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
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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