Clemastine Fumarate EP Impurity A CAS 61826-32-2

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.61826-32-2
Molecular FormulaC21H26ClNO C4H4O4
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Clemastine Fumarate EP Impurity A CAS 61826-32-2 chemical structure

Description

Clemastine Fumarate EP Impurity A (CAS 61826-32-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H26ClNO C4H4O4. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H26ClNO C4H4O4
Molecular Weight459.97 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at room temperature, 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Halogen ContentCl-containing
Nitrogen Atoms1

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