El ácido L-aminobutírico (CAS 1492-24-6) requiere un control riguroso de impurezas relacionadas con la síntesis y la epimerización. Las impurezas típicas incluyen la presencia del enantiómero D | isómeros estructurales | subproductos de reacción y productos de degradación oxidados o desaminados. La caracterización se realiza mediante HPLC con detección UV y LC-MS para impurezas polares | GC para volátiles y RMN para confirmación estructural. Los criterios de aceptación se definen por límites de impurezas individuales y totales | especificaciones de enantiomería y conteo de metales pesados. Implementar controles de proceso | etapas de purificación y validación analítica minimiza riesgos regulatorios y asegura consistencia de lote.
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