?-2-7-Aminodesacetoxycephalosporanic Acid (CAS 56487-68-4) es una impureza crítica del núcleo cefalosporánico que puede formarse durante etapas de desprotección y modificación en procesos sintéticos | generando pérdida del grupo acetoxi y la aparición de un amino en posiciones clave que altera polaridad y comportamiento cromatográfico; su presencia impacta la pureza y estabilidad del lote. La identificación y cuantificación requieren HPLC con detección UV | LC-MS para confirmación de masa y RMN para asignación estructural. El control riguroso incluye límites de especificación | estudios de degradación forzada y métodos analíticos validados para mitigar riesgos de calidad.
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![(6R,7R)-7-((R)-2-((R)-2-((R)-2-amino-2-phenylacetamido)-2-phenylacetamido)-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](https://veeprho.com/wp-content/uploads/2023/10/VE0015811-6R7R-7-R-2-R-2-R-2-amino-2-phenylacetamido-2-phenylacetamido-2-phenylacetamido-3-methyl-8-oxo-5-thia-1-azabicyclo4.2.0oct-2-ene-2-carboxylic-acid.png "(6R,7R)-7-((R)-2-((R)-2-((R)-2-amino-2-phenylacetamido)-2-phenylacetamido)-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid")
