Impurities

Hydrocortisone Impurity C

Product Code:Ax-IMP2133
CAS Number:50-03-3
Synonyms:2-((8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
Molecular Formula:C23H32O6
Molecular Weight:404.5

Hydrocortisone

Product Code:Ax-IMP2132
CAS Number:50-23-7
Synonyms:(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Molecular Formula:C21H30O5
Molecular Weight:362.47

Febuxostat process Impurity 3

Product Code:Ax-IMP2124
CAS Number:NA
Synonyms:2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carbonyl chloride
Molecular Formula:C16H15ClN2O2S
Molecular Weight:334.82

Febuxostat Methyl Ester

Product Code:Ax-IMP2123
CAS Number:923942-34-1
Synonyms:methyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Molecular Formula:C17H18N2O3S
Molecular Weight:330.4

Formyl Febuxostat

Product Code:Ax-IMP2125
CAS Number:144060-62-8
Synonyms:2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid
Molecular Formula:C16H17NO4S
Molecular Weight:319.38

Letrozole N-Oxide Impurity

Product Code:Ax-IMP2121
CAS Number:NA
Synonyms:1-(bis(4-cyanophenyl)methyl)-1H-1,2,4-triazole 2-oxide
Molecular Formula:C17H11N5O
Molecular Weight:301.31

Letrozole diacid Impurity

Product Code:Ax-IMP2120
CAS Number:NA
Synonyms:4,4'-((1H-1,2,4-triazol-1-yl)methylene)dibenzoic acid
Molecular Formula:C17H13N3O4
Molecular Weight:323.31

Letrozole Monoacid Impurity

Product Code:Ax-IMP2119
CAS Number:NA
Synonyms:4-((4-cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzoic acid
Molecular Formula:C17H12N4O2
Molecular Weight:304.31

Famotidine Impurity J

Product Code:Ax-IMP2131
CAS Number:76824-14-1
Synonyms:methyl 3-(((2-((diaminomethylene)amino)thiazol-4-yl)methyl)thio)propanoate
Molecular Formula:C9H14N4O2S2
Molecular Weight:274.36

Famotidine Impurity I

Product Code:Ax-IMP2130
CAS Number:1020719-36-1
Synonyms:3-(((2-((diaminomethylene)amino)thiazol-4-yl)methyl)sulfinyl)-N-sulfamoylpropanamide
Molecular Formula:C8H14N6O4S3
Molecular Weight:354.42