| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-139645 | 148960-78-5 | Impurity | |
| Azelastine Impurity 45 | ||||
| C4X-139646 | 109386-70-1 | Impurity | |
| Azelastine Impurity 46 | ||||
| C4X-139647 | N/A | Impurity | |
| Azelastine Impurity 47 | ||||
| C4X-139648 | N/A | Impurity | |
| Azelastine Impurity 48 | ||||
| C4X-139649 | N/A | Impurity | |
| Azelastine Impurity 49 | ||||
| C4X-13965 | 20526-97-0 | Impurity | |
| Azelastine EP Impurity E | ||||
| C4X-139650 | N/A | Impurity | |
| Azelastine Impurity 50 | ||||
| C4X-139651 | N/A | Impurity | |
| Azelastine Impurity 51 | ||||
| C4X-139652 | 1107016-94-3 | Impurity | |
| Azelastine Impurity 52 | ||||
 | C4X-13966 | 640279-88-5 | Impurity | |
| Azelastine-N-Oxide (Mixture of Diastereomers) | ||||
