| Bioactivity | O-Desmethyltramadol (hydrochloride) is a primary active metabolite of Tramadol. O-Demethyltramadol is mainly responsible for its µ-opioid receptor-related analgesic effect. Tramadol is metabolized to O-Demethyltramadol mainly by the cytochrome P450 (CYP) 2D6 enzyme[1]. |
| Name | O-Desmethyltramadol hydrochloride |
| CAS | 185453-02-5 |
| Formula | C15H24ClNO2 |
| Molar Mass | 285.81 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
| Reference | [1]. Lee J, et al. Population pharmacokinetic analysis of tramadol and O-desmethyltramadol with genetic polymorphism of CYP2D6. Drug Des Devel Ther. 2019;13:1751-1761. |