Azelastine Impurity 20 CAS 47491-38-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.47491-38-3
Molecular FormulaC21H22ClN3O
Molecular Weight367.87 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Azelastine Impurity 20 CAS 47491-38-3 chemical structure

Description

Order Azelastine Impurity 20 (CAS 47491-38-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H22ClN3O. Molecular weight: 367.87 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC21H22ClN3O
Molecular Weight367.87 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1970
Halogen ContentCl-containing
Nitrogen Atoms3

Related Azelastine Standards

Recommended Standards

Why CATO?