Azelastine Impurity 34 CAS 1878-66-6

Purity >95.0%In StockPharmacopoeial Impurity Standards
CAS No.1878-66-6
Molecular FormulaC8H7ClO2
Molecular Weight170.59 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Azelastine Impurity 34 CAS 1878-66-6 chemical structure

Description

Azelastine Impurity 34 (CAS 1878-66-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C8H7ClO2. Molecular weight: 170.59 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC8H7ClO2
Molecular Weight170.59 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity>95.0%
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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