| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1009101 | 208774-55-4 | Impurity | |
| Apremilast Impurity 101 | ||||
| C4X-1009102 | 1822756-03-5 | Impurity | |
| Apremilast Impurity 102 | ||||
| C4X-1009103 | 62351-80-8 | Impurity | |
| Apremilast Impurity 103 | ||||
| C4X-1009104 | N/A | Impurity | |
| Apremilast Impurity 104 | ||||
| C4X-1009105 | N/A | Impurity | |
| Apremilast Impurity 105 | ||||
| C4X-1009106 | N/A | Impurity | |
| Apremilast Impurity 106 | ||||
| C4X-1009107 | 22235-04-7 | Impurity | |
| Apremilast Impurity 107 | ||||
 | C4X-1009108 | 120-25-2 | Impurity | |
| Apremilast Impurity 108 | ||||
 | C4X-1009109 | 2029-94-9 | Impurity | |
| Apremilast Impurity 109 | ||||
 | C4X-100911 | 15371-06-9 | Impurity | |
| Apremilast impurity 11 | ||||
