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CAS号: 19379-33-0 英文名称: L-Ampicillin 英文同义词: L-Ampicillin;L-(+)-Ampicillin;(2S,5R,6R)-6-[[(2S)-2-Amino-2-pheny;Ampicillin EP Impurity B (L-Ampicillin);Ampicillin impurity 1/Ampicillin?EP?impurity?B;Ampicillin Impurity 2（Ampicillin EP Impurity B）;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-, L- (8CI);(2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic aci;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2S)-aminophenylacetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-;(2S,5R,6R)-6-[[(2S)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 中文名称: 氨苄西林EP杂质B 中文同义词: L-氨苄西林;氨苄西林有关杂质B;氨苄西林EP杂质B;氨苄西林杂质B(EP);氨苄西林杂质B(L-氨苄西林);氨苄西林杂质B(EP) 标准品;氨苄西林EP杂质B(L-氨苄西林);氨苄青霉素EP杂质B(L-氨苄西林) 分子式: C16H19N3O4S 分子量: 349.4 沸点 : 683.9±55.0 °C(Predicted) 密度 : 1.45±0.1 g/cm3(Predicted) 酸度系数(pKa): 2.44±0.50(Predicted)