 | C4X-150234 | 60966-36-1 | Impurity | |
| Progesterone Impurity 34 |
 | C4X-15024 | 145-15-3 | Impurity | |
| Progesterone EP Impurity C |
 | C4X-150241 | 2477-60-3 | Impurity | |
| Progesterone Impurity 41 |
 | C4X-15025 | 5035-09-6 | Impurity | |
| Progesterone EP Impurity D |
 | C4X-150258 | 2919563-38-3 | Impurity | |
| Progesterone Impurity 58 |
| C4X-150259 | N/A | Impurity | |
| Progesterone Impurity 59 |
 | C4X-15026 | 5062-62-4 | Impurity | |
| Progesterone EP Impurity E |
| C4X-150260 | N/A | Impurity | |
| Progesterone Impurity 60 |
| C4X-150261 | N/A | Impurity | |
| Progesterone Impurity 61 |
 | C4X-15027 | 2257421-78-4 | Impurity | |
| Progesterone EP Impurity F |
