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头孢西丁ep杂质e1异构体
目录号: pi00016012     品名: cefoxitin impurity e1 isomer(ep)
cas no: | chemical formula: c17h19n3o8s2 ||molecular weight:molecular weight: 457.47200||exact mass:exact mass: 457.06136||(6r,7s)-3-((carbamoyloxy)methyl)-6,……
d3-头孢西丁钠
目录号: pi00016013     品名: 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-azabicy……
头孢西丁甲酯氧化杂质1
目录号: pi00016014     品名: cefoxitin methyl ester oxide impurity 1
cas no: | chemical formula: c17h19n3o8s2 |methyl (6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0……
头孢西丁甲酯氧化杂质2
目录号: pi00016015     品名: cefoxitin methyl ester oxide impurity 2
cas no: | chemical formula:c17h19n3o8s2|methyl (6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]o……
头孢西丁甲酯
目录号: pi00016016     品名: cefoxitin methyl ester
cas no: | chemical formula:c17h19n3o7s2| methyl(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]o……
头孢西丁甲酯双键位移异构体
目录号: pi00016017     品名: δ3-cefoxitin methyl ester
cas no:n/a||chemical formula:c17h19n3o7s2||molecular weight:441.47300||exact mass:441.06644||methyl(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thioph……
甲基头孢西丁(去乙酰氧moct)
目录号: pi00016019     品名: methyl cefoxitin
cas no:n/a||chemical formula:c15h16n2o5s2||molecular weight:368.42794||exact mass:368.05006||(6r,7s)-7-methoxy-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-t……
头孢西丁杂质c1
目录号: pi00016020     品名: cefoxitin imprurity c1
cas no:n/a||chemical formula:c15h17n3o5s2||molecular weight:383.43700||exact mass:383.06096||3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-……
头孢西丁杂质c8
目录号: pi00016021     品名: cefoxitin imprurity c8
cas no:n/a||chemical formula:c15h17n3o5s2||molecular weight:383.43700||exact mass:383.06096||2-methoxy-2-(7-oxo-1,2,5,7-tetrahydro-4h-furo[3,4-d][1,3]thiazin-2-……
头孢西丁酰胺杂质
目录号: pi00016022     品名: cefoxitin amide impurity
cas no:n/a||chemical formula:c16h18n4o6s2||molecular weight:426.46200 exact mass 426.06678||exact mass:426.46200 exact mass 426.06678||((6r,7s)-2-carbamoyl-7-me……
头孢西丁双键转移酰胺杂质
目录号: pi00016023     品名: △3-cefoxitin amide impurity
cas no:n/a||chemical formula:c16h18n4o6s2||molecular weight:426.46200||exact mass:426.06678||((6r,7s)-2-carbamoyl-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)……
头孢西丁去甲基杂质
目录号: pi00016025     品名: cefoxitin demethylation impurity
cas no:n/a||chemical formula:c15h15n3o7s2||molecular weight:413.41900||exact mass:413.03514||(6r,7s)-3-((carbamoyloxy)methyl)-7-hydroxy-8-oxo-7-(2-(thiophen-2-y……
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