序号
杂质 名称
英文名称
分子式 分子量 CAS号
结构式
原料参比物质(非卖品)
头孢美唑钠
Cefmetazole sodium
C15H16N7NaO5 S3 Fw:493.52 CAS:56796-39-5
6-1
7-甲巯基头孢美唑
S-Methyl Cefmetazole
C15H17N7O4S4 Fw:487.60
6-2
头孢美唑内酯
Cefmetazole Related Compound inner ester
C13H13N3O5S2 Fw:355.39
6-3
头孢美唑内脂Ⅱ
Cefmetazole Related Compound inner ester Ⅱ
C13H14N6O5S2 Fw:398.42
6-4
3-OH头孢美唑杂质4
Cefmetazole Related Compound 4
C13H15N3O6S2 Fw:373.40
6-5
头孢美唑内脂 Ⅲ
Cefmetazole Related Compound inner ester Ⅲ
C9H10N2O4S Fw:242.25
6-6
头孢美唑杂质6
Cefmetazole Related Compound 6
C15H17N7O5S3 Fw:471.54
6-7
头孢美唑杂质 7
Cefmetazole Related Compound 7
C24H22N6O3S3 Fw:538.66
6-8
头孢美唑杂质 8
Cefmetazole Related Compound 8
C15H17N3O7S2 Fw:415.44 CAS:56796-16-8
6-9
头孢美唑杂质9
Cefmetazole Related Compound 9
C15H18N6O7S2 Fw:458.47
6-10
头孢美唑杂质
Cefmetazole impurity
C13H15N3O5S2 Fw:357.41
6-11
C24H24N6O3S3 Fw:540.68
6-12
副产物Ⅱ
Side compound Ⅱ
C15H18N10O5S3 Fw:514.56 CAS:74228-11-8
6-13
7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid
C10H12N6O3S2 Fw:328.37
6-14
头孢美唑杂质 7位 侧链
2-(Cyanomethylthio)acetic Acid
C4H5NO2S Fw:131.15 CAS:55817-29-3
6-15
头孢美唑杂质 7-MAC
7β-Amino-7α-methoxy-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid Diphenylmethyl Ester
C24H24N6O4S2 Fw:524.61 CAS:56610-72-1
6-16
C2H4N4S Fw:116.1 CAS:13183-79-4
6-17
C13H15ClN6O5S2 Fw:434.88
6-18
C11H14N6O4S2 Fw:358.05
6-19
C24H24N6O4S2 Fw:524.62