# Schedules of Controlled Substances: Temporary Placement of MGM-15 and MGM-16 in Schedule I

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Justice Department; Drug Enforcement Administration |
| Type | Proposed rule |
| Action | Proposed amendment; notice of intent. |
| Published | 2026-10-14 |
| Significant | No |
| CFR parts | 21 CFR 1308 |
| Summary | The Drug Enforcement Administration (DEA) is issuing this notice of intent to publish a temporary order to schedule two 7- hydroxymitragynine-related substances (MGM-15 and MGM-16), including their isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, whenever the existence of such isomers, esters, ethers, and salts is possible, in schedule I of the Controlled Substances Act (CSA). On August 26, 2026, DEA published a temporary order placing mitragynine pseudoindoxyl, MGM-15, and MGM-16 in schedule I of the CSA. Today, DEA is providing notice of its intent to publish a new t |
| Document number | 2026-20942 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/10/14/2026-20942/schedules-of-controlled-substances-temporary-placement-of-mgm-15-and-mgm-16-in-schedule-i). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.