Impureza 2-(2-Aminothiazol-4-yl)-2-oxoacetic Acid (CAS 73150-67-1) como entidad relacionada estructuralmente presenta retos analíticos en control de calidad. Su polaridad y grupos funcionales ácidos y amínicos dificultan separación | por lo que se recomienda HPLC con detección UV y confirmación por LC-MS | además de espectroscopía NMR y FTIR para identificación. Puede generarse por reacciones secundarias durante la síntesis como desaminación parcial | carboxilación incompleta o formación de subproductos oxidados afectando el perfil de impurezas. Evaluar estabilidad | solubilidad y parámetros de retención facilita el establecimiento de límites de aceptación y estrategias de purificación para cumplir requisitos regulatorios.
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