Impurities

Etoricoxib N1'-Oxide

Product Code:Ax-IMP1181
CAS Number:25855-74-1
Synonyms:5-chloro-6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridine] 1'-oxide
Molecular Formula:C18H15ClN2O3S
Molecular Weight:374.84

Linagliptin iMpurity G

Product Code:Ax-IMP1196
CAS Number:668270-11-9
Synonyms:(S)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione
Molecular Formula:C25H28N8O2
Molecular Weight:472.55

Bexarotene Impurity Z

Product Code:Ax-IMP1283
CAS Number:1349659-53-5
Synonyms:1-(4-(1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)vinyl)phenyl)ethan-1-one
Molecular Formula:C25H30O
Molecular Weight:346.51

Bexarotene Process Impurity

Product Code:Ax-IMP1285
CAS Number:153559-45-6
Synonyms:methyl 4-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carbonyl)benzoate
Molecular Formula:C24H28O3
Molecular Weight:364.49

Bexarotene Impurity 4a

Product Code:Ax-IMP1284
CAS Number:153559-46-7
Synonyms:4-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carbonyl)benzoic acid
Molecular Formula:C23H26O3
Molecular Weight:350.46

Bexarotene Impurity Z3

Product Code:Ax-IMP1286
CAS Number:153559-48-9
Synonyms:methyl 4-(1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)vinyl)benzoate
Molecular Formula:C25H30O2
Molecular Weight:362.51

Bexarotene Impurity 4f

Product Code:Ax-IMP1287
CAS Number:153559-48-9
Synonyms:4-(2-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)oxiran-2-yl)benzoic acid
Molecular Formula:C24H28O3
Molecular Weight:364.49

Tizanidine EP Impurity B

Product Code:Ax-IMP1289
CAS Number:51323-05-8
Synonyms:1-(5-chlorobenzo[c][1,2,5]thiadiazol-4-yl)thiourea
Molecular Formula:C7H5ClN4S2
Molecular Weight:244.72

Tizanidine EP Impurity A

Product Code:Ax-IMP1288
CAS Number:51322-69-1
Synonyms:N-(4,5-dihydro-1H-imidazol-2-yl)benzo[c][1,2,5]thiadiazol-4-amine
Molecular Formula:C9H9N5S
Molecular Weight:219.27

Sulfamethoxazole Impurity D

Product Code:Ax-IMP1292
CAS Number:121-57-3
Synonyms:4-aminobenzenesulfonic acid; Sulfanilic Acid; 4-Sulfoaniline; p-Anilinesulfonic Acid
Molecular Formula:C6H7NO3S
Molecular Weight:173.19