7-氨基-3-[(2-甲基-1,3,4-噻二唑-5-基硫基)甲基]-3-头孢烯-4-甲酸

• 常用名: 7-氨基-3-[(2-甲基-1,3,4-噻二唑-5-基硫基)甲基]-3-头孢烯-4-甲酸
• 英文名: 7-TDA
• CAS号: 30246-33-4
• 分子量: 344.433
• 密度: 1.7±0.1 g/cm3
• 沸点: 678.2±65.0 °C at 760 mmHg
• 分子式: C₁₁H₁₂N₄O₃S₃
• 熔点: N/A
• 闪点: 364.0±34.3 °C

名称

• 中文名: 7-氨基-3-{[(5-甲基-1,3,4-噻二唑-2-基)硫]甲基}头孢霉素烷酸
• 英文名: 7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]cephalosphoranic acid
• 中文别名: 7-氨基-3-(((5-甲基-1,3,4-噻二唑-2-基)硫代)甲基)头孢烷酸 | 头孢西酮母核 | 头孢唑啉杂质A | 7-氨基-3-{[(5-甲基-1,3,4-噻二唑-2-基)硫]甲基}-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸

物理化学性质

• 密度: 1.7±0.1 g/cm3
• 沸点: 678.2±65.0 °C at 760 mmHg
• 分子式: C₁₁H₁₂N₄O₃S₃
• 分子量: 344.433
• 闪点: 364.0±34.3 °C
• 精确质量: 344.007141
• PSA: 188.25000
• LogP: 0.42
• 蒸汽压: 0.0±2.2 mmHg at 25°C
• 折射率: 1.769
• 储存条件: 室温，干燥

英文别名

• TDA
• 7-amino-3-(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid
• 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-, (7R)-
• (7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
• 3-[[(5-Methyl-1,3,4-thiadiazole-2-yl)thio]methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
• 7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
• 3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
• (7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid
• 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci
• (6R)-7t-amino-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
• (6R-trans)-7-amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
• (7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid
• Cefazolin EP Impurity A
• 7-TDA