Ceftiofur is used in cattle and pigs for treatment and control of infections caused by susceptible pathogens. It is an antibiotic of the cephalosporin type licensed for use in veterinary medicine.. Reference standards of Ceftiofur API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Ceftiofur Hydrochloride
Catalogue No.:PA 03 31520
CAS :
Molecular Formula : C19H18ClN5O7S3
Molecular Weight : 560.02
Desfuroyl Ceftiofur
Catalogue No.:PA 03 31540
Molecular Formula : C14H15N5O5S3
Molecular Weight : 429.48
Desfuroyl Ceftiofur Sodium Salt
Catalogue No.:PA 03 0311009
Molecular Formula : C14H14N5NaO5S3
Molecular Weight : 451.47
Ceftiofur
Catalogue No.:PA 03 31000
Molecular Formula : C19H17N5O7S3
Molecular Weight : 523.56
Ceftiofur Sodium
Catalogue No.:PA 03 31510
Molecular Formula : C19H16N5NaO7S3
Molecular Weight : 545.54
Ceftiofur-d3 Hydrochloride
Catalogue No.:PA STI 018470
Molecular Formula : C19H15D3ClN5O7S3
Molecular Weight : 563.04
Desfuroyl Ceftiofur Cysteine Disulfide-d3 (>90%)
Catalogue No.:PA STI 027560
Molecular Formula : C17H17D3N6O7S4
Molecular Weight : 551.66
Desfuroyl Ceftiofur-d3
Catalogue No.:PA STI 027610
Molecular Formula : C14H12D3N5O5S3
Molecular Weight : 432.51
Ceftiofur Hydrochloride (1098071)
Catalogue No.:PA USP1098071
Molecular Formula : NA
Molecular Weight : NA
Ceftiofur Sodium (1098082)
Catalogue No.:PA USP1098082
Ceftiofur Sodium Trihydrate (1098165)
Catalogue No.:PA USP1098165
Desfuroyl Ceftiofur S-Acetamide
Catalogue No.:PA 03 31530
Molecular Formula : C16H18N6O6S3
Molecular Weight : 486.54
Desfuroyl Ceftiofur Cysteine Disulfide
Catalogue No.:PA 03 31550
Molecular Formula : C17H20N6O7S4
Molecular Weight : 548.62
Ceftiofur Sulfoxide
Catalogue No.:PA 03 31560
Molecular Formula : C19H17N5O8S3
Molecular Weight : 539.55
(6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-Oxide
Catalogue No.:PA 03 31570
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-4,8-dioxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 31580
Molecular Formula : C19H15N5O8S3
Molecular Weight : 537.54
∆2-Ceftiofur
Catalogue No.:PA 03 31590
Molecular Weight : 523.55
(E)-Ceftiofur
Catalogue No.:PA 03 31600
(6R,7R)-7-((Z)-2-(2-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 0311000
Molecular Formula : C25H22N8O9S4
Molecular Weight : 706.74
N-Furoyl Ceftiofur
Catalogue No.:PA 03 0311001
Molecular Formula : C24H19N5O9S3
Molecular Weight : 617.62
Ceftiofur, Ceftiofur delta-3 isomer and Ceftiofur e-isomer
Catalogue No.:PA 03 0311002
Molecular Formula : ?NA?
Ceftiofur Sodium Trihydrate
Catalogue No.:PA 03 0311003
Molecular Formula : C19H22N5NaO10S3
Molecular Weight : 599.58
(6R,7R)-7-((Z)-2-(2-((E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 0311004
Ceftiofur-d3
Catalogue No.:PA STI 089021
Molecular Formula : C19H14D3N5O7S3
Molecular Weight : 526.57
(6R,7R )-7-Amino-3-((furan-2-carbonylthio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 0311005
Molecular Formula : C13H12N2O5S2
Molecular Weight : 340.37
Ceftiofur disulfide dimer
Catalogue No.:PA 03 0311006
Molecular Formula : C28H28N10O10S6
Molecular Weight : 856.95
Dihydrothiophenyl Thioester
Catalogue No.:PA 03 0311007
Molecular Formula : C10H8O4S2
Molecular Weight : 256.29
Ceftiofur Amide Dimer
Catalogue No.:PA 03 0311008
Molecular Formula : C33H29N7O11S4
Molecular Weight : 827.87
Methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 031001
Molecular Formula : C20H19N5O7S3
Molecular Weight : 537.58
Methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 031002
Methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((methoxy-d3)imino)acetamido)-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA STI 089545
Molecular Formula : C20H16D3N5O7S3
Molecular Weight : 540.6
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