| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-108431 | 268225-79-2 | Impurity | |
| Roflumilast Impurity 31 | ||||
| C4X-108432 | 1454574-39-0 | Impurity | |
| Roflumilast Impurity 32 | ||||
| C4X-108433 | 2376345-94-5 | Impurity | |
| Roflumilast Impurity 33 | ||||
| C4X-108434 | 1882067-44-8 | Impurity | |
| Roflumilast Impurity 34 | ||||
 | C4X-10844 | 162401-30-1 | Impurity | |
| Roflumilast Impurity 4 | ||||
 | C4X-10845 | 475271-62-6 | Impurity | |
| Roflumilast Impurity 5 | ||||
 | C4X-10847 | 1391053-75-0 | Impurity | |
| Roflumilast Impurity 7 | ||||
| C4X-10848 | N/A | Impurity | |
| Roflumilast Impurity 8 | ||||
 | C4X-10849 | 162401-62-9 | Impurity | |
| Roflumilast Impurity 9 | ||||
 | C4X-10851 | 50739-76-9 | Impurity | |
| Ambroxol EP Impurity A(Bromhexine EP Impurity A) | ||||
