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Current Position： > Product > Drug Impurities > Cefmetazole
7-Methylmercapto Cefmetazole（Tetrabutyl Ammonium Hydroxide Salt）
Catalog No: PI00021028     Product Name: 7-Methylmercapto Cefmetazole（Tetrabutyl Ammonium Hydroxide Salt）

CAS No:N/A||Chemical Formula:C15H17N7O4S4（C16H37NO）||Molecular Weight:487.58600（259.47800）||Exact Mass:487.02248（259.28751）|| Tetrabutyl ammonium hydroxide salt (6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-7-(methylthio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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Cefmetazole
Catalog No: PI00021001
Product Name: Cefmetazole
CAS No:56796-20-4 ||Chemical Formula:C15H17N7O5S3||Molecular Weight:471.52500||E…
Cefmetazole MMT Isomer
Catalog No: PI00021002
Product Name: Cefmetazole MMT Isomer
CAS No:N/A||Chemical Formula:C15H17N7O5S3||Molecular Weight:471.525||Exact Mass:…
△3-Cefmetazole
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Product Name: △3-Cefmetazole
CAS No:N/A||Chemical Formula:C15H17N7O5S3 ||Molecular Weight:471.52500||Exact Ma…
Detetrazole Cefmetazole
Catalog No: PI00021004
Product Name: Detetrazole Cefmetazole
CAS No:N/A||Chemical Formula:C13H15N3O6S2 ||Molecular Weight:373.39800||Exact Ma…
Cefmetazole Lactone
Catalog No: PI00021005
Product Name: Cefmetazole Lactone
CAS No:70993-70-3||Chemical Formula:C13H13N3O5S2 ||Molecular Weight:355.38000||E…
Cefmetazole Open Ring Impurity
Catalog No: PI00021006
Product Name: Cefmetazole Open Ring Impurity
CAS No:N/A||Chemical Formula:C15H19N7O6S3||Molecular Weight:489.54000||Exact Mas…
Cefmetazole Oxidation Impurity
Catalog No: PI00021007
Product Name: Cefmetazole Oxidation Impurity
CAS No:N/A||Chemical Formula:C15H17N7O6S3 ||Molecular Weight:487.52400||Exact Ma…
Cefmetazole Impurity 3
Catalog No: PI00021008
Product Name: Cefmetazole Impurity 3
CAS No:N/A||Chemical Formula:C13H16N6O5S3 ||Molecular Weight:432.48800||Exact Ma…
Cefmetazole 7-Lateral Chain
Catalog No: PI00021009
Product Name: Cefmetazole 7-Lateral Chain
CAS No:N/A||Chemical Formula:C4H6N4O2S||Molecular Weight:174.178||Exact Mass:174…
Cefmetazole 7-Tetrazole Double-Bond Shift
Catalog No: PI00021010
Product Name: Cefmetazole 7-Tetrazole Double-Bond Shift
CAS No:N/A||Chemical Formula:C15H18N10O5S3||Molecular Weight:514.554||Exact Mass…
Cefmetazole 7-tetrazole Precursor
Catalog No: PI00021011
Product Name: Cefmetazole 7-tetrazole Precursor
CAS No:N/A||Chemical Formula:C28H28N10O5S3||Molecular Weight:680.777||Exact Mass…
Cefmetazole MMT Impurity
Catalog No: PI00021012
Product Name: Cefmetazole MMT Impurity
CAS No:13183-79-4||Chemical Formula:C2H4N4S||Molecular Weight:116.14200||Exact M…
Acetoxy Cefmetazole
Catalog No: PI00021013
Product Name: Acetoxy Cefmetazole
CAS No:56796-16-8||Chemical Formula:  C15H17N3O7S2||Molecular Weight:415.44138||…
Cefmetazole Side chain
Catalog No: PI00021014
Product Name: Cefmetazole Side chain
CAS No:55817-29-3||Chemical Formula: C4H5NO2S||Molecular Weight:131.153||Exact M…
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 …
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 M…
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 …
Cefmetazole 7-tetrazole
Catalog No: PI00021018
Product Name: Cefmetazole 7-tetrazole
CAS No:74228-11-8||Chemical Formula:C15H18N10O5S3||Molecular Weight:514.55400||E…
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 …
Cefmetazole Demethylation Impurity
Catalog No: PI00021020
Product Name: Cefmetazole Demethylation Impurity
CAS No:N/A||Chemical Formula:C14H15N7O5S3||Molecular Weight:457.49800||Exact Mas…
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 Ma…
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 Mas…
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 Mas…
Δ3-Cefmetazole 2
Catalog No: PI00021024
Product Name: Δ3-Cefmetazole 2
CAS No:N/A||Chemical Formula:C15H17N7O5S3||Molecular Weight:471.52500||Exact Mas…
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