Betamethasone Impurity N9 CAS 21720-47-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.21720-47-8
Molecular FormulaC23H30O5
Molecular Weight386.48 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Betamethasone Impurity N9 CAS 21720-47-8 chemical structure

Description

CATO supplies Betamethasone Impurity N9 (CAS 21720-47-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H30O5. Molecular weight: 386.48 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC23H30O5
Molecular Weight386.48 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963

Related Betamethasone Standards

Recommended Standards

Why CATO?