Azelastine Hydrochloride

Azelastine Hydrochloride Impurities & Reference Standards

Azelastine Hydrochloride is a high-purity active pharmaceutical ingredient (API) used in the formulation and manufacture of pharmaceutical products. Azelastine Hydrochloride is registered under CAS Number 79307-93-0. The compound carries the molecular formula C22H25Cl2N3O, corresponding to a molecular weight of 418.4 g/mol. Related substances and impurities of Azelastine Hydrochloride are routinely used as reference materials for stability-indicating method development, impurity profiling, and compliance with ICH, USP, BP, and EP monographs. Azelastine Hydrochloride is available as a certified impurity reference standard with CoA, HPLC chromatograms, and spectroscopic data to support analytical method development and regulatory compliance.