| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-198547 | N/A | Impurity | |
| Regadenoson Impurity 47 | ||||
| C4X-198548 | N/A | Impurity | |
| Regadenoson Impurity 48 | ||||
| C4X-198549 | 120595-74-6 | Impurity | |
| Regadenoson Impurity 49 | ||||
| C4X-19855 | N/A | Impurity | |
| Regadenoson Impurity 5 | ||||
| C4X-198550 | N/A | Impurity | |
| Regadenoson Impurity 50 | ||||
| C4X-198551 | N/A | Impurity | |
| Regadenoson Impurity 51 | ||||
| C4X-19856 | 313348-16-2 | Impurity | |
| Regadenoson Impurity 6 | ||||
| C4X-19857 | N/A | Impurity | |
| Regadenoson Impurity 7 | ||||
| C4X-19858 | 15763-11-8 | Impurity | |
| Regadenoson Impurity 8 | ||||
| C4X-19859 | 927806-95-9 | Impurity | |
| Regadenoson Impurity 9 | ||||
