Impureza 6 de meclizina (sal de 2HCl) | CAS 5321-61-9 | es una impureza orgánica identificada en lotes de meclizina que requiere perfilado analítico riguroso. Presenta propiedades fisicoquímicas específicas que afectan la pureza del API y puede detectarse y cuantificarse mediante HPLC con detección UV | LC-MS para confirmación de masa y NMR para elucidación estructural. Su formación suele asociarse a rutas de degradación ácidas durante la salificación y el control de procesos es crítico para minimizar niveles por encima de límites de especificación. Las estrategias de control incluyen optimización de pH | purificación por cristalización y procedimientos de liberación con métodos validados para asegurar cumplimiento regulatorio.
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