 | C4X-150216 | 604-19-3 | Impurity | |
| Progesterone Impurity 16 |
 | C4X-150217 | 2243-08-5 | Impurity | |
| Progesterone Impurity 17 |
 | C4X-150218 | 604-09-1 | Impurity | |
| 17?-Hydroxyprogesterone |
 | C4X-150219 | 24254-01-1 | Impurity | |
| Progesterone EP Impurity I |
 | C4X-15022 | 24377-08-0 | Impurity | |
| Progesterone EP Impurity A |
 | C4X-15023 | 145-14-2 | Impurity | |
| Progesterone EP Impurity B |
 | C4X-150230 | 1162-54-5 | Impurity | |
| Progesterone EP Impurity J |
 | C4X-150231 | 17652-16-3 | Impurity | |
| Progesterone EP Impurity K |
 | C4X-150233 | N/A | Impurity | |
| Pregnenolone Impurity 33 |
 | C4X-150234 | 60966-36-1 | Impurity | |
| Progesterone Impurity 34 |
