| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-174920 | 428854-24-4 | Impurity | |
| Riociguat Impurity 20 | ||||
 | C4X-174922 | N/A | Impurity | |
| Riociguat Impurity 22 | ||||
| C4X-174924 | 256376-62-2 | Impurity | |
| Riociguat Impurity 24 | ||||
| C4X-174925 | N/A | Impurity | |
| Riociguat Impurity 25 | ||||
 | C4X-174926 | 304874-06-4 | Impurity | |
| Riociguat Impurity 26 | ||||
| C4X-17493 | N/A | Impurity | |
| Riociguat EP Impurity B | ||||
| 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 | ||||
