Cefixime Impurities

  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity A
  • CAS No: 1614255-90-1
  • Chemical Name: 2-[[(Z)-2-(2-aminothiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl]amino]-2-[(2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid
  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity B
  • CAS No: 1335475-19-8
  • Chemical Name: 2-[[[(Z)-1-(2-aminothiazol-4-yl)-2-[[[(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]methyl]amino]-2-oxoethylidene]amino]oxy]acetic acid
  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity C
  • CAS No: 108691-83-4
  • Chemical Name: (6R,7S)-7-[[(Z)-2-(2-aminothiazol-4-yl)2[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (cefixime 7-epimer)
  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity D
  • CAS No: 79350-37-1
  • Chemical Name: (6R,7R)-7-[[(E)-2-(2-aminothiazol-4-yl)2[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity E
  • CAS No: 72701-01-0
  • Chemical Name: (6R,7R)-7-[[(Z)-2-(2-aminothiazol-4-yl)2[(carboxymethoxy)imino]acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefixime Impurities

  • Impurity: Cefixime Ep Impurity F
  • CAS No: 79368-95-9
  • Chemical Name: (6R,7R)-7-[[(Z)-2-(2-aminothiazol-4yl)-2[(2ethoxy2oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefixime Impurities

  • Impurity: Cefixime Sulfoxide Impurity
  • CAS No: 1335555-87-7
  • Chemical Name: (Z)-7-(2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)8-oxo-3-vinyl5thia1azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide
  • Cefixime Impurities

  • Impurity: Cefixime Sulfone Impurity
  • CAS No: N/A
  • Chemical Name: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)2((carboxymethoxy)imino)acetamido)8oxo3vinyl5thia1azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5,5-dioxide