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头孢呋辛酯
目录号: pi00006001     品名: cefuroxime axetil
cas no:64544-07-6||chemical formula:c20h22n4o10s||molecular weight:510.47400 ||exact mass:510.10566||mixture of the 2 diastereoisomers of (1rs)-1-(acetyloxy)eth……
头孢呋辛酯ep杂质a
目录号: pi00006002     品名: cefuroxime axetil impurity a (ep)
cas no:123458-61-7||chemical formula:c20h22n4o10s||molecular weight:510.47400||exact mass:510.10566||1-(acetyloxy)ethyl (6r,7r)-3-[(carbamoyloxy)methyl]-7-[[(z)……
头孢呋辛酯ep杂质b
目录号: pi00006003     品名: cefuroxime axetil impurity b (ep)
cas no:97232-96-7||chemical formula:c20h22n4o10s||molecular weight:510.47400||exact mass:510.10566||(1rs)-1-(acetyloxy)ethyl (6r,7r)-3-[(carbamoyloxy)-methyl]-7……
头孢呋辛酯ep杂质c(头孢呋辛钠ep杂质d)
目录号: pi00005016     品名: cefuroxime axetil impurity c (ep),cefuroxime sodium impurity d(ep)
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)……
头孢呋辛酯杂质d(ep)(头孢呋辛酸)
目录号: pi00006004     品名: cefuroxime axetil impurity d(ep)
cas no:55268-75-2||chemical formula:c16h16n4o8s||molecular weight:424.38400||exact mass:424.06888||(6r,7r)-3-((carbamoyloxy)methyl)-7-((z)-2-(furan-2-yl)-2-(met……
头孢呋辛酯ep杂质e
目录号: pi00006005     品名: cefuroxime axetil impurity e(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,……
头孢呋辛酯氧化杂质
目录号: pi00006006     品名: cefuroxime axetil oxide impurity
cas no:n/a||chemical formula:c20h22n4o11s||molecular weight:526.47300||exact mass:526.10058 ||1-acetoxyethyl(6r,7r)-3-((carbamoyloxy)methyl)-7-((z)-2-(furan-2-y……
头孢呋辛酯二聚体
目录号: pi00006007     品名: cefuroxime axetil dimer（mixture）
cas no:n/a||chemical formula:c36h38n8o17s2||molecular weight:918.859||exact mass:918.17963||oxybis(ethane-1,1-diyl) (6r,6'r,7r,7'r)-bis(3-((carbamoyloxy)methyl)……
头孢呋辛酯母核
目录号: pi00006009     品名: cefuroxime axetil mother nucleus
cas no:n/a||chemical formula:c13h17n3o7s||molecular weight:359.35300||exact mass:359.07872||(6r,7r)-(rs)-1-acetoxyethyl 7-amino-3-((carbamoyloxy)methyl)-8-oxo-5……
头孢呋辛酯杂质f
目录号: pi00006010     品名: cefuroxime axetil impurity f
cas no:n/a||chemical formula:c19h21n3o8s||molecular weight:451.45000||exact mass:451.10494||1-acetoxyethyl(6r,7r)-7-((z)-2-(furan-2-yl)-2-(methoxyimino)acetamid……
头孢呋辛酯杂质g
目录号: pi00006011     品名: cefuroxime axetil impurity g
cas no:n/a||chemical formula:c21h33n3o10s||molecular weight:509.48600||exact mass:509.11041||1-acetoxyethyl(6r,7r)-3-(acetoxymethyl)-7-((z)-2-(furan-2-yl)-2-(me……
头孢呋辛酯聚合物a
目录号: pi00006012     品名: cefuroxime axetil dimer a
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