Impureza Naphazoline EP Impurity A (sal de cloridrato) | CAS 73664-32-1 | é um subproduto isolado durante a síntese de naphazoline | identificado como 1-naphthaleneacetamide | N-(2-aminoethyl)- | monohydrochloride. Esta impureza apresenta perfil químico e físico distinto | influenciando rendimento e propriedades farmacêuticas do lote. Requer monitoramento em controle de qualidade por HPLC | LC-MS e NMR para quantificação | confirmação estrutural e estabelecimento de limites de especificação. Estudos de degradação e validação analítica definem condições para detecção a níveis traço | avaliação de toxicidade e conformidade com monografias EP. Fornece dados críticos para otimização de processo e garantia de pureza do produto final.
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