| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18254 | 118943-09-2 | Impurity | |
| Ubenimex Impurity 4 | ||||
| C4X-18255 | 118943-10-5 | Impurity | |
| Ubenimex Impurity 5 | ||||
| C4X-18256 | 118943-09-2 | Impurity | |
| Ubenimex Impurity 6 | ||||
| C4X-18261 | N/A | Impurity | |
| Iguratimod Impurity 1 | ||||
 | C4X-182610 | 2401-24-3 | Impurity | |
| Iguratimod Impurity 10 | ||||
 | C4X-182611 | 16156-59-5 | Impurity | |
| Iguratimod Impurity 11 | ||||
 | C4X-182612 | 124-63-0 | Impurity | |
| Iguratimod Impurity 12 | ||||
| C4X-182613 | 149456-98-4 | Impurity | |
| Iguratimod Impurity 11 | ||||
| C4X-182614 | 149457-03-4 | Impurity | |
| Iguratimod Impurity 14 | ||||
 | C4X-182615 | 149436-41-9 | Impurity | |
| Iguratimod Impurity 15 HCl | ||||
