| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-102718 | 1422960-88-0 (free base) | Impurity | |
| Rupatadine impurity 18 | ||||
| C4X-10272 | 1422960-88-0 (free base) | Impurity | |
| Rupatadine Impurity 2 | ||||
| C4X-102720 | 1422960-88-0 | Impurity | |
| Rupatadine Impurity 20 | ||||
 | C4X-102721 | 1007089-84-0 | Impurity | |
| Rupatadine Impurity 21 | ||||
| C4X-102722 | N/A | Impurity | |
| Rupatadine Impurity 22 1.5 hydrate | ||||
| C4X-102723 | 21636-51-1 | Impurity | |
| Rupatadine Impurity 23 | ||||
 | C4X-102724 | 100910-66-5 | Impurity | |
| Rupatadine Impurity 24 | ||||
 | C4X-102725 | 499-81-0 | Impurity | |
| Rupatadine Impurity 25 | ||||
| C4X-102726 | N/A | Impurity | |
| Rupatadine Impurity 26 | ||||
| C4X-102727 | 2242584-13-8 | Impurity | |
| Rupatadine impurity 27 | ||||
