现货供应头孢美唑杂质对照品（提供COA结构纯度确认图谱）
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Cefmetazole impurity 06 头孢美唑杂质06 N/A benzhydryl (6R,7S)-7-(2-mercaptoacetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Cefmetazole impurity 05 头孢美唑杂质05 N/A sodium (6R,7S)-7-(2-mercaptoacetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Cefmetazole impurity 04 头孢美唑杂质04 76952-82-4 头孢美唑杂质对照品
Cefmetazole impurity 03 头孢美唑杂质03 N/A sodium (6R,7S)-7-amino-7-methoxy-6-methyl-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Cefmetazole impurity 02 头孢美唑杂质02 85686-16-4 现货供应
Cefmetazole impurity 01 头孢美唑杂质01 60638-57-5