| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-174928 | N/A | Impurity | |
| Riociguat impurity 28 | ||||
| C4X-174929 | N/A | Impurity | |
| Riociguat Impurity 29 | ||||
| C4X-17493 | N/A | Impurity | |
| Riociguat EP Impurity B | ||||
| C4X-174930 | 2518331-19-4 | Impurity | |
| Riociguat Impurity 30 | ||||
| C4X-17494 | N/A | Impurity | |
| Riociguat Impurity 4 | ||||
 | C4X-17495 | 625115-52-8 | Impurity | |
| N-Desmethyl Riociguat | ||||
 | C4X-17496 | 2920299-23-4 | Impurity | |
| Riociguat EP Impurity C | ||||
 | C4X-17497 | 625115-54-0 | Impurity | |
| Riociguat EP Impurity D | ||||
 | C4X-17498 | 256376-65-5 | Impurity | |
| Riociguat Impurity 8 | ||||
| C4X-17499 | 956010-88-1 | Impurity | |
| Riociguat Impurity 9 | ||||
