| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-196218 | 230615-70-0 | Impurity | |
| Varenicline Impurity 18 | ||||
 | C4X-196219 | 230615-69-7 | Impurity | |
| Varenicline Impurity 19 | ||||
 | C4X-19622 | 796865-82-2 | Impurity | |
| N-Formyl Varenicline | ||||
 | C4X-196221 | 328055-92-1 | Impurity | |
| Varenicline Impurity 21 | ||||
 | C4X-196222 | 1213781-59-9 | Impurity | |
| Varenicline Impurity 22 | ||||
| C4X-19623 | 230615-51-7 | Impurity | |
| Varenicline Impurity 3 | ||||
 | C4X-196231 | 1333145-89-3 | Impurity | |
| Varenicline Impurity 31 | ||||
| C4X-196233 | N/A | Impurity | |
| Varenicline Impurity 33 | ||||
| C4X-196234 | N/A | Impurity | |
| Varenicline Impurity 34 | ||||
| C4X-196240 | N/A | Impurity | |
| Varenicline Impurity 40 | ||||
