24(R,S),25-Dihydroxy vitamin D2 CAS 71183-99-8

Purity 97%+In StockPharmaceutical Standards
CAS No.71183-99-8
Molecular FormulaC28H44O3
Molecular Weight428.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

24(R,S),25-Dihydroxy vitamin D2 CAS 71183-99-8 chemical structure

Description

24(R,S),25-Dihydroxy vitamin D2 (CAS 71183-99-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H44O3. Molecular weight: 428.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC28H44O3
Molecular Weight428.65 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977

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