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头孢西丁购买
目录号: PI00016001     品名: Cefoxitin
CAS No:33564-30-6||Chemical Formula:C16H16N3NaO7S2||Molecular Weight:449.42777||Exact Mass:449.03274||sodium (6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-……
头孢西丁EP杂质A购买
目录号: PI00016002     品名: 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-2-yl……
头孢西丁EP杂质B购买
目录号: PI00016003     品名: Cefoxitin Impurity B (EP)
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-(……
头孢西丁EP杂质C, 头孢噻吩EP杂质D购买
目录号: PI00016004     品名: 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[2,1-……
头孢西丁EP杂质D购买
目录号: PI00016005     品名: Cefoxitin lactone , Cefoxitin Impurity D (EP)
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-……
头孢西丁EP杂质E购买
目录号: PI00016006     品名: 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……
头孢西丁EP杂质F购买
目录号: PI00016007     品名: 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……
头孢西丁EP杂质G购买
目录号: PI00016008     品名: Cefoxitin Impurity G(EP)(a dimer)
CAS No: | Chemical Formula: C32H33N5O13S4 | (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-e……
头孢西丁杂质H购买
目录号: PI00016018     品名: Cefoxitin Impurity H
CAS No:37051-05-1 | Chemical Formula: C15H15N3O6S2 |(6R,7R)-3-((carbamoyloxy)methyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-……
头孢西丁EP杂质EF混合物购买
目录号: PI00016009     品名: Mixture of Cefoxitin Impurity E&F (EP)
CAS No: | Chemical Formula: C17H19N3O8S2 |(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-(2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]……
头孢西丁氧化杂质购买
目录号: PI00016010     品名: 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-……
头孢西丁杂质H前体购买
目录号: PI00016011     品名: 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……
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