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头孢噻吩
目录号: pi00027001     品名: cephalothin
cas:153-61-7|chemical formula: c16h16n2o6s2|(6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩ep杂质a
目录号: pi00027002     品名: cephalothin impurity a(ep)
cas: |chemical formula: c14h14n2o4s2|(6r,7r)-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩ep杂质b
目录号: pi00027003     品名: cephalothin impurity b(ep)
cas: |chemical formula: c14h14n2o5s2|(6r,7r)-3-(hydroxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩杂质c(ep),(7-aca)
目录号: pi00027004     品名: cephalothin impurity c(ep)
cas no:957-68-6 |chemical formula: c10h12n2o5s|(6r,7r)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩杂质d(ep),头孢西丁杂质c(ep)
目录号: pi00027005     品名: cephalothin impurity d(ep),cefoxitin impurity c(ep)
cas no:10590-10-0|chemical formula: c14h12n2o4s2|n-((5ar,6r)-1,7-dioxo-1,4,5a,6-tetrahydro-3h,7h-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acet……
头孢噻吩-3-异构体
目录号: pi00027006     品名: cephalothin-3-isomer
cas: |chemical formula: c16h16n2o6s2|(6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
δ3-头孢噻吩-3-异构体
目录号: pi00027007     品名: δ3-cephalothin-3-isomer
cas: |chemical formula: c16h16n2o6s2|(6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
头孢噻吩二聚体a
目录号: pi00027008     品名: cephalothin dimer a
cas no:n/a||chemical formula:c30h28n4o10s4||molecular weight:732.81200||exact mass:732.06883||(6r,7r)-3-((((6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)a……
头孢噻吩二聚体b
目录号: pi00027009     品名: cephalothin dimer b
cas no:n/a||chemical formula:c31h32n4o10s4||molecular weight:748.10013||exact mass:748.85500||2-(5-(acetoxymethyl)-3-((6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thio……
头孢噻吩二聚体c
目录号: pi00027010     品名: cephalothin dimer c
cas no:n/a||chemical formula:c30h32n4o8s4||molecular weight: 704.84600||exact mass:704.11030||((6r,7r)-2-(5-(acetoxymethyl)-2-((2-(thiophen-3-yl)acetamido)methy……
头孢噻吩聚合物杂质1
目录号: pi00027011     品名: cephalothin polymer impurity 1
cas no:n/a||chemical formula:c24h22n4o8s3||molecular weight:590.64000||exact mass:590.05998||(6r,7r)-3-(acetoxymethyl)-7-((5ar,6r)-1,7-dioxo-6-(2-(thiophen-2-yl……

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