| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-100917 | N/A | Impurity | |
| Apremilast impurity 17 | ||||
 | C4X-100918 | 1384439-79-5 | Impurity | |
| Apremilast impurity 18 | ||||
 | C4X-100919 | 1384440-16-7 | Impurity | |
| Apremilast impurity 19 | ||||
 | C4X-10092 | 635705-72-5 | Impurity | |
| Apremilast Impurity 2 | ||||
| C4X-100921 | N/A | Impurity | |
| Apremilast Impurity 21 | ||||
| C4X-100922 | N/A | Impurity | |
| Apremilast Impurity 22 | ||||
 | C4X-100923 | 2077897-94-8 | Impurity | |
| Apremilast Impurity 23 | ||||
 | C4X-100924 | 2487573-01-1 | Impurity | |
| Apremilast Impurity 24 | ||||
 | C4X-100925 | 608142-27-4 | Impurity | |
| Apremilast Impurity 25 | ||||
| C4X-100926 | N/A | Impurity | |
| Apremilast Impurity 26 | ||||
