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Current Position： > Product > Drug Impurities > Cefoxitin
Cefoxitin Impurity A (EP)（Decarbamoyl cefoxitin）
Catalog No: PI00016002     Product Name: Decarbamoylcefoxitin ， Cefoxitin Impurity A (EP)
CAS No:54333-94-7 ||Chemical Formula:C15H16N2O6S2 ||Molecular Weight:384.42100 ||Exact Mass:384.04498 ||(6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[[(thiophen-…
Cefoxitin Impurity B
Catalog No: PI00016003     Product Name: Cefoxitin Impurity B
CAS No:1422023-32-2||Chemical Formula:C16H17N3O7S2||Molecular Weight:427.44600||Exact Mass:427.05079||(2R,6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(…
Cefoxitin Impurity C(EP)， Cephalothin Impurity D(EP)
Catalog No: PI00016004     Product Name: Cefoxitin Impurity C(EP)， Cephalothin Impurity D(EP)
CAS No:10590-10-0 ||Chemical Formula:C14H12N2O4S2 ||Molecular Weight:336.38000 ||Exact Mass:336.02385 ||N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,…
Cefoxitin Impurity D(EP)(Cefoxitin Lactone)
Catalog No: PI00016005     Product Name: Cefoxitin Impurity D(EP)(Cefoxitin Lactone)
CAS No:1422023-33-3||Chemical Formula:C15H14N2O5S2||Molecular Weight:366.40600||Exact Mass:366.03441||(5aR,6S)-6-methoxy-6-[[(thiophen-2-yl)acetyl]amino]-5a,6-d…
Cefoxitin Impurity E(EP)
Catalog No: PI00016006     Product Name: Cefoxitin Impurity E(EP)
CAS No:2395025-32-6||Chemical Formula:C17H19N3O8S2||Molecular Weight:457.47200||Exact Mass:457.06136 ||(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((R)-2-metho…
Cefoxitin Impurity F(EP)
Catalog No: PI00016007     Product Name: Cefoxitin Impurity F(EP)
CAS No:2395025-37-1||Chemical Formula:C17H19N3O8S2||Molecular Weight:457.47806||Exact Mass:457.06136||(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((S)-2-methox…
Cefoxitin Impurity G(EP)(a dimer)
Catalog No: PI00016008     Product Name: Cefoxitin Impurity G (EP)
Chemical Formula: C31H31N5O13S4 | (6R,7S)-3-((((((6R,7S)-2-carboxy-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methox…
Mixture of Cefoxitin Impurities E&F
Catalog No: PI00016009     Product Name: Mixture of Cefoxitin Impurities E&F
CAS No:N/A ||Chemical Formula:C17H19N3O8S2 ||Molecular Weight:457.47806 ||Exact Mass:457.06136||(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((RS)-2-methoxy-2-(…
Cefoxitin Oxide Impurity
Catalog No: PI00016010     Product Name: Cefoxitin Oxide Impurity
CAS No:N/A||Chemical Formula:C16H17N3O8S2||Molecular Weight:443.44500||Exact Mass:443.04571 ||(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-…
Cefoxitin Impurity H Precursor（Intermediate of Impurity C）
Catalog No: PI00016011     Product Name: Cefoxitin Impurity H Precursor（Intermediate of Impurity C）
CAS No:N/A||Chemical Formula:C16H16N2O6S2||Molecular Weight:396.43200||Exact Mass:396.04498||(6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-th…
Cefoxitin Impurity E1 Isomer(EP)
Catalog No: PI00016012     Product Name: Cefoxitin Impurity E1 Isomer(EP)
(6R,7S)-3-((carbamoyloxy)methyl)-6,7-dimethoxy-8-oxo-7-(2-(thiophen-2-yl)acetami…
Cefoxitin-d3 Sodium Salt
Catalog No: PI00016013     Product Name: Cefoxitin-d3 Sodium Salt
CAS No:1316289-46-9||Chemical Formula:C16H13D3N3NaO7S2||(6R,7S)-3-[[(Aminocarbonyl)oxy]methyl]-7-(methoxy-d3)-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyc…
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