Cefixime EP Impurity A

Product Code:

CXM/1001

CAS Number:

1335475-08-5

Molecular Formula:

C16H17N5O8S2

Molecular Weight:

471.47

Synonyms : 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 EP Impurity B

Product Code:

CXM/1002

CAS Number:

1335475-19-8

Molecular Formula:

C15H17N5O6S2

Molecular Weight:

427.46

Synonyms : 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 EP Impurity C

Product Code:

CXM/1003

CAS Number:

108691-83-4

Molecular Formula:

C16H15N5O7S2

Molecular Weight:

453.45

Synonyms : (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

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