5’-Hydroxyphenyl Carvedilol (CAS 142227-51-8) es una impureza relacionada que puede originarse por oxidación o hidroxilación aromática durante síntesis | formulación o estudios de estabilidad de carvedilol. Su identificación y cuantificación son esenciales para garantizar la calidad y seguridad del producto; se detecta típicamente mediante HPLC/UPLC con confirmación por LC-MS y caracterización estructural por RMN. El control cumple con ICH Q3A y Q3B mediante límites especificados en el perfil de impurezas | pruebas de degradación forzada y procedimientos de limpieza. Su presencia puede indicar vía de degradación o impureza de proceso y requiere estrategias de reducción como optimización de condiciones de reacción y antioxidantes.
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