Astemizole is a second-generation antihistamine used to treat allergic conditions such as rhinitis and urticaria. It works by blocking histamine H1 receptors. However, it has been withdrawn in many countries due to its potential to cause cardiac arrhythmias by prolonging the QT interval. It is now largely replaced by safer alternatives.
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Astemizole and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Astemizole impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Astemizole-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.
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