Diphenidine, a dissociative street drug, becomes a Schedule I controlled substance
Diphenidine and its salts and isomers join Schedule I of the Controlled Substances Act. Anyone who makes, sells, imports, researches or possesses it needs a Schedule I registration or must give up their supply.
Who it affects
Anyone who makes, sells, researches or holds diphenidine
When
This rule takes effect on October 21, 2026.
- : Published in the Federal Register
- : This rule takes effect
Official text
FR Doc. 2026-19231: Schedules of Controlled Substances: Placement of Diphenidine in Schedule I
On Federal Register. The official text is what counts; read it before you act.
Not legal advice. Plain-English summaries to help you find what changes and when. Not legal advice: read the official text, and ask a lawyer about your situation.