| Torsemide Impurity E | 72810-57-2 | Ax-IMP2100 |
| Estradiol Impurity B | 57-91-0 | Ax-IMP1983 |
| 5-Hexynoic Acid | 53293-00-8 | Ax-353 |
| Estradiol Impurity A | 53-16-7 | Ax-IMP1923 |
| Cyclooctasulfur | 10544-50-0 | Ax-354 |
| Febuxostat Impurity I | 161798-01-2 | Ax-IMP1738 |
| chloro[3-(dimethylamino)propyl]magnesium | 19070-16-7 | Ax-355 |
| Febuxostat Impurity V | 161798-02-3 | Ax-IMP1739 |
| 1-(Chloroacetyl)-L-prolinamide | 214398-99-9 | Ax-356 |
| Febuxostat Impurity VI | 1271738-74-9 | Ax-IMP1740 |