| 2-Hydrazinoethanol | 109-84-2 | Ax-021 |
| Rabeprazole EP Impurity A | 117976-47-3 | AX-IMP037 |
| Rabeprazole EP Impurity E | CAS:102804-77-3 | AX-IMP035 |
| Rabeprazole Impurity G | 935260-92-7 | AX-IMP036 |
| Rabeprazole EP Impurity I | 924663-37-6 | AX-IMP034 |
| Rabeprazole EP Impurity D | 924663-38-7 | AX-IMP033 |
| Lansoprazole Thioxo Impurity | 1246819-06-6 | AX-IMP032 |
| Lansoprazole Impurity F | 168167-42-8 | AX-IMP031 |
| Lansoprazole Impurity E | 583-39-1 | AX-IMP030 |
| Lansoprazole Impurity D | 615-16-7 | AX-IMP029 |