| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-108422 | 343927-62-8 | Impurity | |
| Roflumilast impurity 22 | ||||
| C4X-108423 | 1369817-76-4 | Impurity | |
| Roflumilast impurity 23 | ||||
 | C4X-108424 | 1895-39-2 | Impurity | |
| Roflumilast impurity 24 | ||||
 | C4X-108425 | 1243391-44-7 | Impurity | |
| Roflumilast impurity 25 | ||||
| C4X-108426 | N/A | Impurity | |
| Roflumilast Impurity 26 | ||||
| C4X-108427 | 74976-40-2 | Impurity | |
| Roflumilast Impurity 27 | ||||
| C4X-108428 | 2368178-29-2 | Impurity | |
| Roflumilast Impurity 28 | ||||
| C4X-108429 | N/A | Impurity | |
| Roflumilast Impurity 29 | ||||
 | C4X-10843 | 1391052-24-6 | Impurity | |
| Roflumilast Impurity 3 | ||||
| C4X-108430 | 34809-82-0 | Impurity | |
| Roflumilast Impurity 30 | ||||
