Rule lifecycle · DOCKET:Docket No. DEA-1644
Schedules of Controlled Substances: Temporary Placement of Mitragynine Pseudoindoxyl, MGM-15, and MGM-16 in Schedule I
Justice Department, Drug Enforcement Administration — observed across 2 documents over 51 days. Use the source documents below before deciding whether this affects your business.
In plain English
The federal government banned three synthetic drugs—Mitragynine Pseudoindoxyl, MGM-15, and MGM-16—putting them on its highest dangerous-drug list, making them illegal to make, sell, or distribute. If your business makes, sells, or distributes these chemicals or products containing them, stop now or face serious federal criminal penalties starting August 26, 2026.
First seen
Jul 6, 2026
Last seen
Aug 26, 2026
Latest stage
Rule
PRORULE → RULE
51d
Effective on
Wednesday, August 26, 2026
Stage timeline
Proposed·Jul 6, 2026·91 FR 40909
Schedules of Controlled Substances: Temporary Placement of Mitragynine Pseudoindoxyl, MGM-15, and MGM-16 in Schedule I
#2026-13581
Final·Aug 26, 2026·91 FR 54948
Schedules of Controlled Substances: Temporary Placement of Mitragynine Pseudoindoxyl, MGM-15, and MGM-16 in Schedule I
effective Aug 26, 2026#2026-17429