 | C4X-123314 | N/A | Impurity | |
| Tamoxifen EP Impurity D Oxalate (Mixture of Z and E Isomers) |
| C4X-123316 | N/A | Impurity | |
| Tamoxifen EP Impurity E HCl (Mixture of Z and E Isomers) |
 | C4X-123317 | 5432-28-0 | Impurity | |
| Tamoxifen Impurity 17 |
| C4X-123318 | 123091-15-6 | Impurity | |
| Tamoxifen Impurity 18 |
| C4X-123319 | N/A | Impurity | |
| Tamoxifen impurity 19 |
 | C4X-12332 | 13002-65-8 | Impurity | |
| Tamoxifen EP Impurity A |
 | C4X-12333 | 748-97-0 | Impurity | |
| Tamoxifen EP Impurity B |
| C4X-12334 | 97151-10-5 | Impurity | |
| Tamoxifen EP Impurity C |
| C4X-12335 | 31750-45-5 | Impurity | |
| Tamoxifen EP Impurity D (Mixture of Z and E Isomers) |
| C4X-12336 | N/A | Impurity | |
| Tamoxifen EP Impurity E (Mixture of Z and E Isomers) |
