58909-56-1

CAS号: 58909-56-1 英文名称: (6R-trans)-7-amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 英文同义词: Einecs 261-491-7;Ceftriaxone IMpurity E;Ceftriaxone EP Impurity E;7-AMINOCEPHALOSPORANIC TRIAZINE;Ceftriaxone Sodium Ep Impurity E;7-Amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl;7-Amino-3-([2,5-dihydro-6-hydroxy-2-methyl-5-oxo-as-triazin-3-y]thiomethyl)-3-cephem-4-carboxylic acid;(7R)-7-amino-3-(((6-hydroxy-2-methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Ceftriaxone impurity 4/Ceftriaxone EP Impurity E/7-AMino-3-[[(2,5-dihydro-6-hydroxy-2-Methyl-5-oxo-1,2,4-triazin-3-yl)thio]Methyl]cephalosporanic Acid;(6R,7R)-7-Amino-8-oxo-3-[[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin)-3-yl]thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 中文名称: 头孢曲松杂质E 中文同义词: 头孢曲松杂质E;头孢曲松EP杂质E;头孢曲松钠EP杂质E;原料药头孢曲松钠 杂质E;头孢曲松钠USP有关杂质F;(6R-反式)-7-氨基-8-氧代-3-[[(1,2,5,6-四氢-2-甲基-5,6-二氧代-1,2,4-三嗪-3-基)硫代]甲基]-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸 分子式: C12H13N5O5S2 分子量: 371.39 密度 : 2.03±0.1 g/cm3(Predicted) 酸度系数(pKa): 2.49±0.50(Predicted)