| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-182620 | 544482-14-6 | Impurity | |
| Iguratimod Impurity 20 | ||||
| C4X-182625 | 150831-14-4 (free base) | Impurity | |
| Iguratimod Impurity 25 HCl | ||||
| C4X-182626 | N/A | Impurity | |
| Iguratimod Impurity 26 | ||||
| C4X-182628 | N/A | Impurity | |
| Iguratimod Impurity 28 HCl | ||||
| C4X-182630 | N/A | Impurity | |
| Iguratimod Impurity 30 | ||||
| C4X-182631 | N/A | Impurity | |
| Iguratimod Impurity 31 | ||||
| C4X-182633 | N/A | Impurity | |
| Iguratimod Impurity 33 HCl | ||||
| C4X-182637 | 1340086-28-3 | Impurity | |
| Iguratimod Impurity 37 | ||||
| C4X-182638 | N/A | Impurity | |
| Iguratimod Impurity 38 HCl | ||||
 | C4X-182639 | 123662-92-0 | Impurity | |
| Iguratimod Impurity 39 | ||||
