La impureza Neomycin Sulfate EP Impurity F (CAS 51795-47-2) | también referida como Framycetin EP Impurity F o Paromomycin II | es un degradado estructural relevante en el control de calidad de neomicina sulfato. Su identificación y cuantificación por HPLC y LC-MS es esencial para cumplimiento con especificaciones farmacopéuticas | ya que puede originarse durante la síntesis o por hidrólisis y afectar perfiles de seguridad y estabilidad. Se requiere un estándar de referencia certificado y métodos validados para determinar límites de aceptación | impurezas relacionadas y perfil de impurezas. El monitoreo continuo | condiciones de almacenamiento controladas y procesos de purificación específicos reducen su presencia en el producto final.
Referencias
Szychowski, Janek, et al. “Inhibition of Aminoglycoside-Deactivating Enzymes APH(3?)-IIIa and AAC(6?)-Ii by Amphiphilic Paromomycin O2??-Ether Analogues.†ChemMedChem, vol. 6, no. 11, Sept. 2011, pp. 1961–66, https://doi.org/10.1002/cmdc.201100346.?Davidson, Robert N., et al. “Paromomycin.†Transactions of the Royal Society of Tropical Medicine and Hygiene, vol. 103, no. 7, July 2009, pp. 653–60, https://doi.org/10.1016/j.trstmh.2008.09.008.?
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