| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-163613 | 1359847-37-2 | Impurity | |
| Estradiol Valerate EP Impurity D | ||||
 | C4X-163616 | 1643577-75-6 | Impurity | |
| 17-Biphenylestradiol | ||||
| C4X-163617 | 549-02-0 | Impurity | |
| "10?,17?-dihydroxyestra-1,4-dien-3-one" | ||||
 | C4X-16362 | 6171-48-8 | Impurity | |
| Estradiol Hemihydrate EP Impurity C | ||||
 | C4X-163620 | 2398-63-2 | Impurity | |
| Estradiol Impurity 20 | ||||
 | C4X-163624 | 3434-88-6 | Impurity | |
| Estradiol Impurity 24 | ||||
 | C4X-163625 | 4245-41-4 | Impurity | |
| Estradiol Impurity 25 | ||||
 | C4X-16363 | 57-91-0 | Impurity | |
| Estradiol Hemihydrate EP Impurity B | ||||
 | C4X-16364 | 566-75-6 | Impurity | |
| Estradiol Impurity 4 | ||||
 | C4X-16366 | 1423-97-8 | Impurity | |
| Estradiol Impurity 6 | ||||
