1-(cyclopropylmethyl)-4-nitrosopiperazine (también 1-Cyclopropylmethyl-N4-Nitroso Piperazine) es una impureza nitrosada relevante en procesos de síntesis de derivados de piperazina. Presenta un grupo nitroso que afecta perfiles de pureza y estabilidad | exige control estricto por su potencial genotóxico y reactividad. La caracterización requiere técnicas analíticas robustas como LC-MS | HPLC con detectores UV o MS y confirmación por RMN y espectrometría de masas de alta resolución. Se recomienda establecer límites de aceptación | estudios de degradación y condiciones de almacenamiento que minimicen la formación por nitrosación. Su identificación temprana y cuantificación son críticos para cumplimiento regulatorio y gestión de calidad.
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