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CAS号: 54333-94-7 英文名称: (6R-cis)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 英文同义词: Cefoxitin Impurity 5;3'-Decarbamoylcefoxitin;Cefoxitin Impurity A -C (EP);Cefoxitin Impurity A (EP)(Decarbamoyl cefoxitin);(7S)-3-(Hydroxymethyl)-7-[(2-thenylcarbonyl)amino]-7-methoxycepham-3-ene-4-carboxylic acid;(6R-cis)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;(6R-cis)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;(6R,6β)-3-Hydroxymethyl-7β-methoxy-8-oxo-7-[[(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;3-hydroxymethyl-7c-methoxy-8-oxo-7t-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-7-methoxy-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-,(6R,7S)- 中文名称: 头孢西丁EP杂质A 中文同义词: 头孢西丁钠有关杂质A;原料药头孢西丁 杂质A;头孢西丁杂质A(EP) 分子式: C15H16N2O6S2 分子量: 384.43 沸点 : 790.2±60.0 °C(Predicted) 密度 : 1.62±0.1 g/cm3(Predicted) 酸度系数(pKa): 2.79±0.50(Predicted)