Betamethasone Impurity 29 CAS 37926-75-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.37926-75-3
Molecular FormulaC21H27FO5
Molecular Weight378.43 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Betamethasone Impurity 29 CAS 37926-75-3 chemical structure

Description

CATO supplies Betamethasone Impurity 29 (CAS 37926-75-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H27FO5. Molecular weight: 378.43 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H27FO5
Molecular Weight378.43 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°C, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967
Halogen ContentF-containing

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