Impurities
Trimethoprim EP Impurity I
| Product Code: | Ax-IMP844 |
| CAS Number: | 30078-48-9 |
| Synonyms: | (Z)-3-(phenylamino)-2-(3,4,5-trimethoxybenzyl)acrylonitrile |
| Molecular Formula: | C19H20N2O3 |
| Molecular Weight: | 324.38 |
Trimethoprim EP Impurity F
| Product Code: | Ax-IMP843 |
| CAS Number: | 16285-82-8 |
| Synonyms: | 5-(3-bromo-4,5-dimethoxybenzyl)pyrimidine-2,4-diamine |
| Molecular Formula: | C13H15BrN4O2 |
| Molecular Weight: | 339.19 |
Trimethoprim EP Impurity D
| Product Code: | Ax-IMP842 |
| CAS Number: | 92440-76-1 |
| Synonyms: | 2-amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-4(1H)-one |
| Molecular Formula: | C14H17N3O4 |
| Molecular Weight: | 291.31 |
Trimethoprim EP Impurity A
| Product Code: | Ax-IMP840 |
| CAS Number: | 213745-86-9 |
| Synonyms: | N2-methyl-5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine |
| Molecular Formula: | C15H20N4O3 |
| Molecular Weight: | 304.35 |
Etoricoxib Impurity D
| Product Code: | Ax-IMP846 |
| CAS Number: | 221615-75-4 |
| Synonyms: | 1-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethan-1-one |
| Molecular Formula: | C15H15NO3S |
| Molecular Weight: | 289.35 |
Etoricoxib Impurity A
| Product Code: | Ax-IMP847 |
| CAS Number: | NA |
| Synonyms: | (Z)-2-chloro-3-(dimethylamino)prop-2-en-1-iminium chloride |
| Molecular Formula: | C5H10Cl2N2 |
| Molecular Weight: | 169.05 |
Etoricoxib Process Impurity
| Product Code: | Ax-IMP848 |
| CAS Number: | 221615-72-1 |
| Synonyms: | 1-(6-methylpyridin-3-yl)-2-(4-(methylthio)phenyl)ethan-1-one |
| Molecular Formula: | C15H15NOS |
| Molecular Weight: | 257.35 |
Donepezil Impurity
| Product Code: | Ax-IMP849 |
| CAS Number: | 120013-51-6 |
| Synonyms: | 2-((1-benzylpiperidin-4-yl)methyl)-6,7-dimethoxy-2,3-dihydro-1H-inden-1-one |
| Molecular Formula: | C24H29NO3 |
| Molecular Weight: | 379.5 |
Demethyl Memantine Hydrochloride
| Product Code: | Ax-IMP850 |
| CAS Number: | 33103-93-4 |
| Synonyms: | 3-methyladamantan-1-amine hydrochloride |
| Molecular Formula: | C11H19N |
| Molecular Weight: | 165.28 |
Famotidine Impurity B
| Product Code: | Ax-IMP851 |
| CAS Number: | 109467-08-5 (Dimaleate) ; 89268-62-2 |
| Synonyms: | 2,2'-(((((1,1-dioxido-4H-1,2,4,6-thiatriazine-3,5-diyl)bis(ethane-2,1-diyl))bis(sulfanediyl))bis(methylene))bis(thiazole-4,2-diyl))diguanidine |
| Molecular Formula: | C16H23N11O2S5 |
| Molecular Weight: | 561.74 |