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Current Position： > Product > Drug Impurities > Cefmetazole
Acetoxy Cefmetazole
Catalog No: PI00021013     Product Name: Acetoxy Cefmetazole
CAS No:56796-16-8||Chemical Formula:  C15H17N3O7S2||Molecular Weight:415.44138||Exact Mass:415.05079||(6R,7S)-3-(acetoxymethyl)-7-(2-((cyanomethyl)thio)acetamid……
Cefmetazole Side chain
Catalog No: PI00021014     Product Name: Cefmetazole Side chain
CAS No:55817-29-3||Chemical Formula: C4H5NO2S||Molecular Weight:131.153||Exact Mass:131.0041||2-((cyanomethyl)thio)acetic acid
Cefmetazole 3-Sulfuration and Double-Bond Shift Impurity
Catalog No: PI00021015     Product Name: Cefmetazole 3-Sulfuration and Double-Bond Shift Impurity
CAS No:N/A ||Chemical Formula:C15H17N7O5S3 ||Molecular Weight:471.52500 ||Exact Mass:471.04533||(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-((4-methy……
Cefmetazole Diphenyl Methyl Ester Δ3-Impurity
Catalog No: PI00021016     Product Name: Cefmetazole Diphenyl Methyl EsterΔ3-Impurity
CAS No:N/A ||Chemical Formula:C28H27N7O5S3 ||Molecular Weight:637.75288||Exact Mass:637.12358||benzhydryl (6R,7S)-7-(2-((isocyanomethyl)thio)acetamido)-7-methox……
Cefmetazole Diphenyl Methyl Ester
Catalog No: PI00021017     Product Name: Cefmetazole Diphenyl Methyl Ester
CAS No:N/A ||Chemical Formula:C28H27N7O5S3 ||Molecular Weight:637.75288 ||Exact Mass:637.12358||(6R,7S)-benzhydryl7-(2-((isocyanomethyl)thio)acetamido)-7-methox……
Cefmetazole 7-tetrazole
Catalog No: PI00021018     Product Name: Cefmetazole 7-tetrazole
CAS No:74228-11-8||Chemical Formula:C15H18N10O5S3||Molecular Weight:514.55400||Exact Mass:514.06238||(6R,7S)-7-methoxy-7-(2-((1-methyl-1H-tetrazol-5-yl)thio)ace……
Cefmetazole Side-Chain Oxide Impurity
Catalog No: PI00021019     Product Name: 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-……
Cefmetazole Demethylation Impurity
Catalog No: PI00021020     Product Name: 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……
Cefmetazole Oxide Impurity 2
Catalog No: PI00021021     Product Name: 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……
Cefmetazole Open-Ring Decarboxylation Impurity A
Catalog No: PI00021022     Product Name: 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……
Cefmetazole Open-Ring Decarboxylation Impurity B
Catalog No: PI00021023     Product Name: 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……
Δ3-Cefmetazole 2
Catalog No: PI00021024     Product Name: 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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