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Current Position： > Product > Drug Impurities > Cefazolin Sodium
Cefazolin EP Impurity D ( USP Impurity J)
Catalog No: PI00017005     Product Name: Cefazolin EP Impurity D ( USP Impurity J)
CAS No:32510-61-5||Chemical Formula:C13H14N6O6S||Molecular Weight:382.35100||Exact Mass:382.06955||(7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-ox…
Cefazolin EP Impurity E(Cefazolin USP Impurity F,MMTD,Cefazolin 3-Lateral Chain Impurity)
Catalog No: PI00017006     Product Name: Cefazolin Impurity E(Cefazolin USP Impurity F,MMTD)
CAS No:29490-19-5||Chemical Formula:Chemical Formula: C3H4N2S2||Molecular Weight:132.199||Exact Mass:131.98159||5-methyl-1,3,4-thiadiazole-2-thiol
Cefazolin EP Impurity I (USP Impurity L,Cefazoloic Acid Isomers)
Catalog No: PI00017008     Product Name: Cefazolin EP Impurity I (USP Impurity L,Cefazoloic Acid Isomers)
CAS No:N/A||Chemical Formula:C14H16N8O5S3 ||Molecular Weight:472.51300||Exact Mass:472.04058||Cefazoloic Acid Isomers ，(R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido…
Cefazolin EP Impuirty L(USP Impurity M,Cefazolin Epimer）
Catalog No: PI00017010     Product Name: Cefazolin Impuirty L (EP)，USP Impurity M ,Cefazolin Epimer
CAS No:N/A||Chemical Formula:C14H14N8O4S3 ||Molecular Weight:454.49800||Exact Mass:454.03001|| (6R,7S)-7-[2-(1H-Tetrazol-1-yl)acetamido]-3-[(5-methyl-1,3,4-thia…
Cefazolin Impurity D (USP) 【Cefazolin open-ring lactone 】
Catalog No: PI00017011     Product Name: Cefazolin Impurity D (USP) 【Cefazolin open-ring lactone 】
CAS No:N/A||Chemical Formula:C11H12N6O5S||Molecular Weight:340.31400||Exact Mass:340.05899||(R)-2-[2-(1H-Tetrazol-1-yl)acetamido]-2-[(R)-7-oxo-2,4,5,7-tetrahydr…
Cefazolin Impurity L2
Catalog No: PI00017012     Product Name: Cefazolin Impurity L2
CAS No:N/A||Chemical Formula: C14H16N8O5S3||Molecular Weight:472.51300||Exact Mass:472.04058 ||(2R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((…
Cefazolin Impurity L3
Catalog No: PI00017013     Product Name: Cefazolin Impurity L3
CAS No:N/A||Chemical Formula:C14H16N8O5S3 ||Molecular Weight:472.51300||Exact Mass:472.04058||(R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-…
Cefazolin Oxide Impurity
Catalog No: PI00017014     Product Name: Cefazolin Oxide Impurity
CAS No:N/A||Chemical Formula:C14H13N8NaO5S3||Molecular Weight:492.47877||Exact Mass: 492.00687|| sodium (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-…
Cefazolin EP Impurity J
Catalog No: PI00017015     Product Name: Cefazolin EP Impurity J
CAS No：1675245-00-7 ||Chemical Formula:C11H12N6O5S ||Molecular Weight:340.31400 ||Exact Mass:340.05899 ||2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-me…
Cefazolin Impurity B Precursor
Catalog No: PI00017016     Product Name: Cefazolin Impurity B Precursor
CAS No:N/A||Chemical Formula:C7H13N5O3||Molecular Weight:215.21300||Exact Mass:215.10184||N-(2,2-dimethoxyethyl)-2-(1H-tetrazol-1-yl)acetamide
Cefazolin USP Impurity E
Catalog No: PI00017017     Product Name: Cefazolin USP Impurity E
CAS No:478494-71-2 ||Chemical Formula:C11H12N6O5S||Molecular Weight:340.314||Exact Mass:340.05899||(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8…
Cefazolin Double Mother Nucleus Impurity A
Catalog No: PI00017019     Product Name: Cefazolin Double Mother Nucleus Impurity A
CAS No:N/A||Chemical Formula:C25H24N12O6S6||Molecular Weight:780.90500||Exact Mass:780.02660||(6R,7R)-7-((6R,7R)-7-(2-(5H-tetrazol-5-yl)acetamido)-3-(((5-methyl…
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