cas no: 79350-37-1|chemical formula: c16h15n5o7s2|(6r,7r)-7-[[(z)-2-(2-aminothiazol-4-yl)-2-[(carboxymethoxy)-imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azab……
cas no: 1335475-19-8丨chemical formula: c15h17n5o6s2丨2-[[[(z)-1-(2-aminothiazol-4-yl)-2-[[[(2r,5rs)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4h-furo[3,4-d][1,3]thiazin……
目录号: pi00001004 品名: cefixime 7-epimer cefixime impurity c (ep)
cas no:108691-83-4 | chemical formula: c16h15n5o7s2 | (6r,7s)-7-[[(z)-2-(2-aminothiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-az……
目录号: pi00001005 品名: cefixime e-isomer cefixime impurity d (ep)
cas no: 97164-56-2 | chemical formula: c16h15n5o7s2 | (6r,7r)-7-[[(e)-2-(2-aminothiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-az……
cas no: 72701-01-0 | chemical formula: c15h15n5o7s2 | ((6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabi……
cas no: 79368-95-9 | chemical formula: c18h19n5o7s2 | (6r,7r)-7-[[(z)-2-(2-aminothiazol-4-yl)-2-[(2-ethoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-……
cas no: | chemical formula: c17h17n5o7s2 | 2-((((z)-1-(2-aminothiazol-4-yl)-2-(((6r,7r)-2-(methoxycarbonyl)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-en……
cas no: 1335555-87-7 | chemical formula: c16h15n5o8s2 | (6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-……
cas no: | chemical formula: c16h15n5o7s2 |2-((((z)-1-(2-aminothiazol-4-yl)-2-(((5ar,6r)-3-methyl-1,7-dioxo-1,4,5a,6-tetrahydro-3h,7h-azeto[2,1-b]furo[3,4……
目录号: pi00001011 品名: cefixime impurity e precursors
cas no: | chemical formula: c16h17n5o7s2 | (6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino) acetamido) -3-methyl-8-oxo-5-thia-1-az……
cas no: 丨chemical formula:c15h17n5o6s2丨2-((((e)-1-(2-aminothiazol-4-yl)-2-((((2r)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4h-furo[3,4-d][1,3]thiazin-2-yl)methyl……
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