| Celecoxib Impurity-IV | 1803258-57-2 | Ax-IMP1978 |
| Droxidopa process Impurity 2 | 203571-40-8 | Ax-IMP2158 |
| Celecoxib Impurity-III | 170569-87-6 | Ax-IMP1979 |
| methyl sulfurochloridate | 812-01-1 | Ax-403 |
| Celecoxib impurity B | 331943-04-5 | Ax-IMP1980 |
| isopropyl sulfurochloridate | 36610-67-0 | Ax-404 |
| Celecoxib Process Impurity 1 | NA | Ax-IMP1981 |
| 4-(chloromethyl)-5-methyl-1,3-dioxol-2-one | 80841-78-7 | Ax-405 |
| O-Celecoxib | 169590-42-5 | Ax-IMP1982 |
| Decane,2,2-dimethyl | 17302-37-3 | Ax-400 |