Dexamethasone impurity 90 CAS 134429-31-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.134429-31-5
Molecular FormulaC22H28O6
Molecular Weight388.45 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Dexamethasone impurity 90 CAS 134429-31-5 chemical structure

Description

Dexamethasone impurity 90 (CAS 134429-31-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H28O6. Molecular weight: 388.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC22H28O6
Molecular Weight388.45 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.)1995

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