原料参比物质(非卖品)

头孢呋辛酯

Cefuroxime    axetil

C20H22N4O10S
     Fw:510.47
     CAS:64544-07-6

9-1

杂质A

Cefuroxime axetil impurity A

C20H22N4O10S
     Fw:510.47
     CAS:123458-61-7

9-2

杂质B

Cefuroxime axetil impurity B

C20H22N4O10S
     Fw:510.47

9-3

杂质D

Cefuroxime axetil impurity D

C16H16N4O8S
     Fw:424.39

9-4

杂质E

Cefuroxime axetil impurity E

C15H13N3O6S
     Fw:363.35
     CAS:947723-87-7