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乙酰氧头孢美唑
目录号: pi00021013     品名: acetoxy cefmetazole
cas no: 56796-16-8 | chemical formula: c15h17n3o7s2 | (6r,7s)-3-(acetoxymethyl)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.……
头孢美唑侧链
目录号: pi00021014     品名: cefmetazole side chain
cas no: 55817-29-3 | chemical formula: c4h5no2s | 2-((cyanomethyl)thio)acetic acid
头孢美唑3位硫异构-双键位移
目录号: pi00021015     品名: cefmetazole 3-position sulfur isomer and double bond transfer
cas no: | chemical formula: c15h17n7o5s3 | (6r,7s)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-((4-methyl-5-thioxo-4,5-dihydro-1h-tetrazol-1-yl)methy……
δ3-头孢美唑二苯甲酯
目录号: pi00021016     品名: cefmetazole diphenyl methyl ester δ3-impurity
cas no: | chemical formula: c28h27n7o5s3 | benzhydryl (6r,7s)-7-(2-((isocyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1h-tetrazol-5-yl)thio)meth……
头孢美唑二苯甲酯
目录号: pi00021017     品名: cefmetazole diphenyl methyl ester impurity
cas no: | chemical formula: c28h27n7o5s3 | benzhydryl (6r,7s)-7-(2-((isocyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1h-tetrazol-5-yl)thio)meth……
头孢美唑7位四氮唑
目录号: pi00021018     品名: cefmetazole 7-tetrazole
cas no:74228-11-8 | chemical formula: c15h18n10o5s3 | (6r,7s)-7-methoxy-7-(2-((1-methyl-1h-tetrazol-5-yl)thio)acetamido)-3-(((1-methyl-1h-tetrazol-5-yl)thio)……
头孢美唑侧链氧化杂质
目录号: pi00021019     品名: cefmetazole side-chain oxide impurity
cas no:n/a ||chemical formula:c15h17n7o6s3 ||molecular weight:487.52400 ||exact mass:487.04024||(6r,7s)-7-(2-((cyanomethyl)sulfinyl)acetamido)-7-methoxy-3-(((1-……
头孢美唑去甲基杂质
目录号: pi00021020     品名: cefmetazole demethylation impurity
cas no:n/a||chemical formula:c14h15n7o5s3||molecular weight:457.49800||exact mass:457.02968|(6r,7s)-7-(2-((cyanomethyl)thio)acetamido)-7-hydroxy-3-(((1-methyl-1……
头孢美唑氧化杂质2
目录号: pi00021021     品名: cefmetazole oxide impurity 2
cas no:n/a||chemical formula:c15h17n7o6s3 ||molecular weight:487.52400||exact mass:487.04024||(6r,7s)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl……
头孢美唑开环脱羧杂质a
目录号: pi00021022     品名: cefmetazole open-ring decarboxylation impurity a
cas no:n/a||chemical formula:c14h19n7o4s3||molecular weight:445.53100||exact mass:445.06606||2-((2-((cyanomethyl)thio)acetamido)(methoxy)methyl)-5-(((1-methyl-1……
头孢美唑开环脱羧杂质b
目录号: pi00021023     品名: cefmetazole open-ring decarboxylation impurity b
cas no:n/a||chemical formula:c14h19n7o4s3||molecular weight:445.53100||exact mass:445.06606||2-((2-((cyanomethyl)thio)acetamido)(methoxy)methyl)-5-(((1-methyl-1……
目录号: pi00021024     品名: δ3-cefmetazole 2
cas no:n/a||chemical formula:c15h17n7o5s3||molecular weight:471.52500||exact mass:471.04533||(6r,7s,z)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methy……
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