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Stories

The U.S. closes the legal door on 4-CMC—five years after the UN did

Opposed scheduling; argued it could chill research into medical uses

4-CMC is one of those modern drug-market products built for speed: cheap, tweakable chemistry that can be sold as a "new" stimulant the moment the old one gets banned. On December 17, 2025, the U.S. finally snapped the trap shut—DEA's Schedule I controls for 4-CMC took effect nationwide.

Updated May 15