Meclizina N4-Oxido (sal de HCl) es una impureza relevante en el perfil de calidad de productos farmacéuticos que contiene meclizina | caracterizada por la oxidación en el nitrógeno del anillo piperazínico; presenta propiedades fisicoquímicas y solubilidad distintas que pueden afectar la estabilidad y el comportamiento cromatográfico | por lo que su identificación y cuantificación mediante HPLC acoplada a espectrometría de masas y análisis por RMN son esenciales. El control analítico debe incluir límites especificados | métodos validados y estudios de degradación forzados para evaluar su formación durante síntesis y almacenamiento | garantizando cumplimiento regulatorio y seguridad del lote final.
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