# Schedules of Controlled Substances: Temporary Placement of O-Desmethyltramadol in Schedule I

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Justice Department; Drug Enforcement Administration |
| Type | Final rule |
| Action | Temporary amendment; temporary scheduling order. |
| Published | 2026-08-12 |
| Effective | 2026-08-12 |
| Significant | No |
| CFR parts | 21 CFR 1308 |
| Summary | The Drug Enforcement Administration issues this temporary order to schedule O-desmethyltramadol (other names: O-DSMT; desmetramadol; 3-[(1R,2R)-2-[(dimethylamino)methyl]-1- hydroxycyclohexyl]phenol), including its isomers, esters, ethers, salts, and salts of isomers, esters and ethers, in schedule I of the Controlled Substances Act. DEA bases this action on a finding that placing O-DSMT in schedule I is necessary to avoid an imminent hazard to public safety. This order imposes the regulatory controls and administrative, civil, and criminal sanctions applicable to schedule I controlled substanc |
| Document number | 2026-16413 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/12/2026-16413/schedules-of-controlled-substances-temporary-placement-of-o-desmethyltramadol-in-schedule-i). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.