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Current Position： > Product > Drug Impurities > Ceftiofur
Ceftiofur
Catalog No: PI00054001     Product Name: Ceftiofur
CAS No:80370-57-6||Chemical Formula:C19H17N5O7S3||Molecular Weight:523.55300||Exact Mass:523.02901||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)aceta…
Ceftiofur USP Impurity I
Catalog No: PI00054010     Product Name: Ceftiofur Impurity I，Δ3-Ceftiofur
CAS No:120962-17-6||Chemical Formula:C19H17N5O7S3||Molecular Weight:523.55300||Exact Mass:523.02901||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acet…
Ceftiofur USP Impurity J
Catalog No: PI00054011     Product Name: Ceftiofur Impurity J，(E)-Ceftiofur
CAS No:120882-20-4||Chemical Formula:C19H17N5O7S3||Molecular Weight:523.55300||Exact Mass:523.02901||(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acet…
Ceftiofur Dimer
Catalog No: PI00054031     Product Name: Ceftiofur Dimer 1
CAS No:N/A||Chemical Formula:C38H32N10O13S6||Molecular Weight:1029.09100 ||Exact Mass:1028.04746||(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-…
Triphenylmethyl Ceftiofur Oxime
Catalog No: PI00054032     Product Name: Triphenylmethyl Ceftiofur Oxime
CAS No:66215-71-2;123333-74-4(Hydrochloride)||Chemical Formula:C25H21N3O3S||Molecular Weight:443.52100||Exact Mass:443.13036||(Z)-2-(methoxyimino)-2-(2-(trityla…
Ceftiofur Double Side Chain
Catalog No: PI00054033     Product Name: Ceftiofur Double Side Chain,Ceftiofur Dioxime，Ceftiofur Bilateral Chain
CAS No:N/A||Chemical Formula:C25H22N8O9S4||Molecular Weight:706.73800||Exact Mass:706.03926||(6R,7R)-7-((Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)ac…
Cefotifuromercapto
Catalog No: PI00054034     Product Name: Cefotifuromercapto,Mercapto Ceftiofur,Desfuroyl Ceftiofur)
CAS No:120882-22-6||Chemical Formula:C14H15N5O5S3||Molecular Weight:429.49440||Exact Mass:429.02353||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acet…
Cefotifuromercapto Lactone
Catalog No: PI00054035     Product Name: Cefotifuromercapto Lactone,,Ceftiofur Thiolactone
CAS No:120882-23-7||Chemical Formula:C14H13N5O4S3||Molecular Weight:411.47912||Exact Mass:411.01297||(Z)-2-(2-aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,…
Ceftiofur Dimer 2
Catalog No: PI00054036     Product Name: Ceftiofur Dimer 2
CAS No:N/A||Chemical Formula:C28H28N10O10S6||Molecular Weight:856.95200||Exact Mass:856.03141||(6R,6'R,7R,7'R,Z)-3,3'-(disulfanediylbis(methylene))b…
Ceftiofur Double Mother Nucleus
Catalog No: PI00054037     Product Name: Ceftiofur Double Mother Nucleus
CAS No:N/A||Chemical Formula:C32H27N7O11S5||Molecular Weight:845.90600||Exact Mass:845.03721||(6R,7R)-7-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)…
Dihydrothiafur Thioester Impurity
Catalog No: PI00054038     Product Name: Dihydrothiafur Thioester Impurity(Difuroyl Disulfide)
CAS No:51278-29-6||Chemical Formula:C10H6O4S2||Molecular Weight:254.28224||Exact Mass:253.97075||furan-2-carboxylic dithioperoxyanhydride
Ceftiofur-4-ketone
Catalog No: PI00054039     Product Name: Ceftiofur-4-ketone(4-Oxide Ceftiofur)
CAS No:N/A||Chemical Formula:C19H15N5O8S3||Molecular Weight:537.53600||Exact Mass:537.00827||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3…
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