| Parent Drug Name | Name of Impurity | Catalogue No. | |
|---|---|---|---|
| Desogestrel | Desogestrel EP Impurity A | VE0014384 | View CAS 201360-82-9 |
| Desogestrel | Desogestrel EP Impurity B | VE008231 | View CAS 54024-12-3 |
| Desogestrel | Desogestrel EP Impurity C | VE0014385 | View CAS 54024-21-4 |
| Desogestrel | Desogestrel EP Impurity D | VE0015257 | View CAS 54048-10-1 |
| Desogestrel | Desogestrel EP Impurity E | VE0014386 | View CAS 70805-85-5 |
| Desogestrel | Desogestrel Impurity 1 | VE0014388 | View CAS 201360-83-0 |
| Desogestrel | Desogestrel Impurity 5 | VE0014369 | View |
| Desogestrel | 3-Ketodesogestrel Sulfate (Na Salt) | VE0014390 | View |
| Desogestrel | 3-Ketodesogestrel-17-O-Glucuronide | VE0014389 | View |
| Desogestrel | 3-alpha-Hydroxy Desogestrel | VE0014387 | View CAS 70805-84-4 |
