| Parent Drug Name | Name of Impurity | Catalogue No. | |
|---|---|---|---|
| Estradiol | Estradiol Divalerate | VL2120017 | View CAS 63042-28-4 |
| Estradiol | Estradiol EP Impurity A | VL2120014 | View CAS 4717-38-8 |
| Estradiol | Estradiol EP Impurity C | VL2120016 | View CAS 95959-20-9 |
| Estradiol | Estradiol EP Impurity D | VL2120006 | View CAS 791-69-5 |
| Estradiol | Estradiol EP Impurity F | VL2120018 | View CAS 18069-79-9 |
| Estradiol | Estradiol Valerate EP Impurity D | VE007627 | View CAS 1359847-37-2 |
| Estradiol | Ethinylestradiol EP Impurity L | VL2120012 | View CAS 57-91-0 |
| Estradiol | Ethynylestradiol EP Impurity B | VL2120010 | View CAS 1231-96-5 |
| Estradiol | 17α-Estradiol | VL2120008 | View CAS 57-91-0 |
| Estradiol | 4 Methyl Estradiol | VL2120009 | View CAS 6171-48-8 |
| Estradiol | 6 7 Dehydro Estradiol | VL2120005 | View CAS 7291-41-0 |
| Estradiol | 6 Beta Hydroxy Estradiol | VL2120001 | View CAS 3583-03-7 |
| Estradiol | 6 Keto Estradiol | VL2120004 | View CAS 571-92-6 |
| Estradiol | 6alpha Hydroxy Estradiol | VL2120002 | View CAS 1229-24-9 |
