| Parent Drug Name | Name of Impurity | Catalogue No. | |
|---|---|---|---|
| Drotaverine | Drotaverine Acid Impurity | VL36001 | View CAS 38464-04-9 |
| Drotaverine | Drotaverine Amide Impurity | VL36004 | View CAS 6298-46-0 |
| Drotaverine | Drotaverine Amine Impurity | VL36003 | View CAS 61381-04-2 |
| Drotaverine | Drotaverine Impurity 1 | VL36005 | View |
| Drotaverine | Drotaverine Impurity 1 (HCl Salt) | VE0014626 | View |
| Drotaverine | Drotaverine Impurity 4 (HCl Salt) | VE0014629 | View |
| Drotaverine | Drotaverine N-Oxide | VE0014627 | View |
| Drotaverine | 3'-Desethoxy Drotaverine (HCl Salt) | VE0014624 | View CAS 85475-87-2 |
