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

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Cefepime Dihydrochloride Monohydrate
CAT No: CL-CPI-01 CAS No: 123171-59-5 Mol Wt: 480.6 : 35.5 : 36.5 : 18.0 Mol F: C19H24N6O5S2 : Cl : HCl : H2O Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate dihydrochloride monohydrate ; 1-[[(6R,7R)-7-[2-(2-Amino-4-thiazolyl)glyoxylamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium chloride, 72-(Z)-(O-methyloxime), monohydrochloride, monohydrate (as per USP)
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Cefepime EP Impurity A
CAT No: CL-CPI-02 CAS No: 97164-57-3 Mol Wt: 480.6 Mol F:  C19H24N6O5S2 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate ; 1-(((6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)-1-methylpyrrolidin-1-ium (as per USP)
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Cefepime EP Impurity B
CAT No: CL-CPI-03 CAS No: NA Mol Wt: 663.7 Mol F: C25H29N9O7S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2Z)-[2-[[(2Z)-(2-Aminothiazol-4-yl)-(methoxyimino)acetyl] amino] thiazol-4-yl](methoxyimino)-acetyl]amino]-3-[(1-methylpyrrolidinio) methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate ; 1-({(6R,7R)-7-[(Z)-2-{2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]thiazol-4-yl}-2-(methoxyimino)acetamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl}methyl)-1-methylpyrrolidinium (as per USP)
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Cefepime EP Impurity C
CAT No: CL-CPI-04 CAS No: 104301-63-5 Mol Wt: 242.3 Mol F: C8H10N4O3S Inv Status: Custom Synthesis
Chemical Name: (2Z)-2-(2-Aminothiazol-4-yl)-N-(formylmethyl)-2-(methoxyimino)acetamide ; (Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)-N-(2-oxoethyl)acetamide (as per USP)
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Cefepime EP Impurity D
CAT No: CL-CPI-05 CAS No: 65872-41-5 Mol Wt: 201.2 Mol F: C6H7N3O3S Inv Status: Custom Synthesis
Chemical Name: (2Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetic acid ; (Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetic acid (as per USP)
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Cefepime EP Impurity E
CAT No: CL-CPI-06 CAS No: 103121-85-3 Mol Wt: 298.4 : 35.5 Mol F: C13H20N3O3S : Cl Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-Amino-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-ene-2-carboxylate ; 1-{[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}-1-methylpyrrolidin-1-ium chloride (as per USP)
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Cefepime EP Impurity F
CAT No: CL-CPI-07 CAS No: NA Mol Wt: 760.9 Mol F: C32H42N9O7S3 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[[(6R,7R)-7-[[(2Z)-(2-aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-yl]carbonyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
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Cefepime EP Impurity G
CAT No: CL-CPI-08 CAS No: 120-94-5 Mol Wt: 85.2 Mol F: C5H11N Inv Status: Custom Synthesis
Chemical Name: 1-Methylpyrrolidine
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Cefepime Declatam Lactone Decarboxylate
CAT No: CL-CPI-09 CAS No: 130468-09-6 Mol Wt: 369.4 Mol F: C13H15N5O4S2 Inv Status: Custom Synthesis
Chemical Name: (Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)-N-((7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)methyl)acetamide
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Cefepime Delta-2 -Isomer
CAT No: CL-CPI-10 CAS No: 88040-25-9 Mol Wt: 480.6 Mol F: C19H24N6O5S2 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate
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Cefepime Chloride Hydrochloride
CAT No: CL-CPI-11 CAS No: 107648-80-6 Mol Wt: 480.6 : 36.5 : 35.5 Mol F: C19H24N6O5S2 : HCl : Cl Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, chloride salt hydrochloride
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Cefepime Sulfoxide
CAT No: CL-CPI-12 CAS No: 112258-91-0 Mol Wt: 496.6 Mol F: C19H24N6O6S2 Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide
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Cefepime Impurity 1
CAT No: CL-CPI-13 CAS No: NA Mol Wt: 466.5 Mol F: C18H22N6O5S2 Inv Status: Custom Synthesis
Chemical Name: (E)-7-(2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-3-(pyrrolidin-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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