| (4-bromobutoxy)(tert-butyl)dimethylsilane | 89043-32-3 | Ax-749 |
| 4-chloro-4-methyl-5-methylene-1,3-dioxolan-2-one | 95579-71-8 | Ax-732 |
| 2-amino-5-chloro-3-nitrobenzoic acid | 6324-51-2 | Ax-744 |
| Doxepin Process impurity 1 | 4504-87-4 | Ax-IMP1231 |
| Doxepin impurity C | 4504-96-5 | Ax-IMP1229 |
| Doxepin impurity D | 3607-18-9 | Ax-IMP1230 |
| Moxonidine Process Impurity 1 | 1008754-14-0 | Ax-IMP1175 |
| Moxonidine Impurity B | 75439-01-9 | Ax-IMP1174 |
| Aspirin Working Standard | 50-78-2 | Ax-IMP1188 |
| Aspirin impurity D | 530-75-6 | Ax-IMP1189 |