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Type:Impurity Reference Standard
API NAME:Ceftiofur
Total Products: 13
Inv. Status:

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Ceftiofur Hydrochloride
CAT No: CL-CFTO-01 CAS No: 103980-44-5 Mol Wt:  523.6 : 36.5 Mol F: C19H17N5O7S3 : HCl Inv Status: Custom Synthesis
Chemical Name: (6R)-(6-Alpha,7-beta-(Z))-7-(((2-Amino-4-thiazolyl)(methoxyimino)acetyl)amino)-3-(((2-furanylcarbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid hydrochloride
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N-Furoyl Ceftiofur
CAT No: CL-CFTO-02 CAS No: NA Mol Wt: 617.6 Mol F: C24H19N5O9S3 Inv Status: Custom Synthesis
Chemical Name: (6R, 7R)-3-(((Furan-2-carbonyl)thio)methyl)-7-((Z)-2-(2-(furan-2-carboxamido)thiazol-4-yl)-2-(methoxyimino)
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Ceftiofur Thiolactone
CAT No: CL-CFTO-03 CAS No: 120882-23-7 Mol Wt: 411.5 Mol F: C14H13N5O4S3 Inv Status: Custom Synthesis
Chemical Name: (Z)-2-(2-Aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]thieno[3,4-d]thiazin-6-yl)-2-(methoxyimino)acetamide
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N-Deacyl Ceftiofur
CAT No: CL-CFTO-04 CAS No: NA Mol Wt: 339.4 : 23.0 Mol F: C13H11N2O5S2 : Na Inv Status: Custom Synthesis
Chemical Name: sodium (6R,7R)-7-amino-3-((furan-2-carbonylthio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
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Desfuroyl Ceftiofur
CAT No: CL-CFTO-05 CAS No: 120882-22-6 Mol Wt: 429.5 Mol F: C14H15N5O5S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-(mercaptomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
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Ceftiofur Delta- 3 Isomer
CAT No: CL-CFTO-06 CAS No: 120962-17-6 Mol Wt: 523.6 Mol F: C19H17N5O7S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((furan-2-carbonylthio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
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Ceftiofur E- Isomer
CAT No: CL-CFTO-07 CAS No: 120882-20-4 Mol Wt: 523.6 Mol F: C19H17N5O7S3 Inv Status: Custom Synthesis
Chemical Name: ((6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((furan-2-carbonylthio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene
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Ceftiofur Dioxime
CAT No: CL-CFTO-08 CAS No: NA Mol Wt: 706.7 Mol F: C25H22N8O9S4 Inv Status: Custom Synthesis
Chemical Name: (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)
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Ceftiofur Disulfide Dimer
CAT No: CL-CFTO-09 CAS No: 120905-00-2 Mol Wt: 857 Mol F: C28H28N10O10S6 Inv Status: Custom Synthesis
Chemical Name: (6R,6'R,7R,7'R,Z)-3,3'-[Dithiobis(methylene)]bis{7-[(Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo
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N-Trityl Ceftiofur Oxime
CAT No: CL-CFTO-10 CAS No: 64485-90-1 Mol Wt: 443.5 Mol F: C25H21N3O3S Inv Status: Custom Synthesis
Chemical Name: (Z)-2-(methoxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetic acid
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Desfuroyl Ceftiofur S-Acetamide
CAT No: CL-CFTO-11 CAS No: 120882-25-9 Mol Wt: 486.5 Mol F: C16H18N6O6S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-3-(((2-Amino-2-oxoethyl)thio)methyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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Ceftiofur Mercaptan (USP)
CAT No: CL-CFTO-12 CAS No: 120882-22-6 Mol Wt: 429.5 Mol F: C14H15N5O5S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]-3-(mercaptomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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Ceftiofur Amide Dimer (USP)
CAT No: CL-CFTO-13 CAS No: NA Mol Wt: 827.9 Mol F: C33H29N7O11S4 Inv Status: Custom Synthesis
Chemical Name: (6R,7S)-7-{(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]-3-[(furan-2-carbonylthio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-enecarboxamido}-3-[(furan-2-carbonylthio)methyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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