cas no:39685-31-9||chemical formula:c17h17n3o8s||molecular weight:423.39600||exact mass:423.07364|(6r,7r)-3-[(acetyloxy)methyl]-7-[[(z)-(furan-2-yl)(methoxyimin……
目录号: pi00005004 品名: cefuroxime sodium impurity c (ep)
cas no:69822-88-4||chemical formula:c15h15n3o6s||molecular weight:365.36000||exact mass:365.06816||(6r,7r)-7-[[(z)-(furan-2-yl)(methoxyimino)acetyl]amino]-3-met……
目录号: pi00005004 品名: 头孢呋辛酯杂质c(ep),cefuroxime impurity d(cefuroxime axetil impurity c)
cas no:76598-06-6||chemical formula:c18h15cl3n4o9s||molecular weight:569.74700||exact mass:567.96253||(6r,7r)-7-((z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8……
目录号: pi00005005 品名: cefuroxime sodium impurity e (ep)
cas no:97232-97-8||chemical formula:c16h16n4o8s||molecular weight:424.38400||exact mass:424.06888||trans-cefuroxime (6r,7r)-3-[(carbamoyloxy)methyl]-7-[[(e)-(fu……
目录号: pi00005006 品名: cefuroxime sodium impurity f (ep)
cas no:97170-19-9||chemical formula:c15h15n3o7s||molecular weight:381.35900||exact mass:381.06307||(6r,7r)-7-[[(e)-(furan-2-yl)(methoxyimino)acetyl]amino]-3-(hy……
cas no:97232-98-9||chemical formula:c17h17n3o8s||molecular weight:423.39600||exact mass:423.07364||(6r,7r)-3-[(acetyloxy)methyl]-7-[[(e)-(furan-2-yl)(methoxyimi……
目录号: pi00005008 品名: cefuroxime sodium impurity h (ep)
cas no:947723-87-7||chemical formula:c15h13n3o6s||molecular weight:363.34400||exact mass:363.05251||(5ar,6r)-6-[[(z)-(furan-2-yl)(methoxyimino)acetyl]amino]-5a,……
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