S 5383 · 119th CongressIn Committeecongress.gov ↗

A bill to amend the Controlled Substances Act to schedule MGM-15 and MGM-16 as schedule I controlled substances, and to amend the controlled Substances Act to schedule synthetic 7-hydroxymitragynine, and Mitragynine Pseudoindoxyl, as a Schedule I above a specific threshold under the controlled substance act, and to expand enforcement actions against drug manufacturers and distributors of emerging synthetic opioids, commonly known as gas station heroin.

Road to The Floor

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Introduced

In Committee

On The Floor

Passed a Chamber

Passed Congress

To President

Became Law

What this bill does

AI plain-language summary

This bill would classify certain synthetic substances — MGM-15, MGM-16, synthetic 7-hydroxymitragynine, and Mitragynine Pseudoindoxyl — as Schedule I controlled substances under federal law, with some subject to specific amount thresholds. It would also increase enforcement actions against manufacturers and distributors of these emerging synthetic opioids, which are sometimes referred to as "gas station heroin." No official summary is available for this bill.

Introduced

August 8, 2026

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