Compound LawsREAL-TIME LEGAL INTELLIGENCE

Colorado MGM-16 Ban (2026): In Force

Ban in force

As of November 12, 2026, MGM-16 is banned from retail sale in Colorado, effective May 29, 2025. The ban comes from federal scheduling, which takes precedence over state law.

Verified November 12, 2026. Full determination, citations and verbatim law: Is MGM-16 legal in Colorado?

When does the Colorado MGM-16 ban take effect?

The Colorado MGM-16 ban is already in force (effective May 29, 2025); no further effective date is pending.

Watchnotice of intent by the DEA (Drug Enforcement Administration), applies to every seller

active October 14, 2026
DEA notice of intent to issue a new temporary order keeping MGM-15 and MGM-16 in Schedule I without a threshold
Federal · Notice of intent · DEA-1644; FR Doc. 2026-20942 · DEA (Drug Enforcement Administration) · applies to every seller
DEA will issue a fresh two-year temporary order for MGM-15 and MGM-16 (no threshold) so they are separated from the thresholded pseudoindoxyl rule; the August 26, 2026 order stays in force until the new order publishes or expires August 26, 2028.

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Every state where MGM-16 is banned · All compounds in Colorado · Is MGM-16 Legal? Every state

Cite this page

Compound Analytics. "Colorado MGM-16 Ban (2026): In Force." Compound Laws, https://compoundlaws.com/bans/mgm-16/colorado/. Accessed November 13, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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