| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-221387 | 1537180-08-7 | Impurity | |
| Roxadustat Impurity 87 | ||||
| C4X-221388 | N/A | Impurity | |
| Roxadustat Impurity 88 | ||||
| C4X-221389 | N/A | Impurity | |
| Roxadustat Impurity 89 | ||||
 | C4X-22139 | 1421312-35-7 | Impurity | |
| Roxadustat Impurity 9 | ||||
| C4X-221390 | N/A | Impurity | |
| Roxadustat Impurity 90 | ||||
| C4X-221391 | N/A | Impurity | |
| Roxadustat Impurity 91 | ||||
| C4X-221392 | N/A | Impurity | |
| Roxadustat Impurity 92 | ||||
| C4X-221393 | N/A | Impurity | |
| Roxadustat Impurity 93 | ||||
| C4X-22141 | 716-74-5 | Impurity | |
| Pralatrexate Impurity 1 | ||||
| C4X-22142 | 2028268-08-6 | Impurity | |
| Pralatrexate Impurity 2 | ||||
