| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10422 | 33400-49-6 | Impurity | |
| Flupirtine Impurity 2 | ||||
| C4X-10423 | 951624-49-0 | Impurity | |
| Flupirtine Impurity 3 | ||||
 | C4X-10424 | 1506942-35-3 | Impurity | |
| Flupirtine Impurity 4 | ||||
| C4X-10425 | 1552323-75-7 | Impurity | |
| Flupirtine Impurity 5 | ||||
| C4X-10426 | N/A | Impurity | |
| Flupirtine Impurity 6 | ||||
| C4X-10427 | N/A | Impurity | |
| Flupirtine Impurity 7 | ||||
 | C4X-10428 | 140-75-0 | Impurity | |
| Flupirtine Impurity 8 | ||||
 | C4X-10431 | 170570-01-1 | Impurity | |
| Celecoxib EP Impurity A | ||||
 | C4X-104310 | 170570-09-9 | Impurity | |
| Celecoxib Impurity 7 | ||||
 | C4X-104311 | 219986-64-8 | Impurity | |
| Celecoxib Impurity 11 | ||||
