# Missouri SB1605: Makes 7-hydroxymitragynine in certain amounts a Schedule I controlled substance

Missouri SB1605, Makes 7-hydroxymitragynine in certain amounts a Schedule I controlled substance, is a 2026 Regular Session Senate bill sponsored by Mike Henderson (Republican); status failed, last action 2026-05-15 (Informal Calendar S Bills for Perfection) (as of 2026-11-04).

- Canonical: https://policyrisk.com/state-bill/MO-SB1605-2026
- As of: 2026-11-04
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Missouri SB1605
- State: Missouri
- Session: 2026 Regular Session
- Title: Makes 7-hydroxymitragynine in certain amounts a Schedule I controlled substance
- Status: failed
- Chamber: Senate
- Introduced: 2026-01-29
- Last action: 2026-05-15, Informal Calendar S Bills for Perfection
- Sponsor: Mike Henderson (Republican)
- Cosponsors: 0
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Mike Henderson (Republican), Senate

## Actions (9)

- 2026-05-15: Informal Calendar S Bills for Perfection (Senate)
- 2026-03-25: Bill Placed on Informal Calendar (Senate)
- 2026-03-25: SS S offered (Henderson)--(6874S.02F) (Senate)
- 2026-03-11: Bill Placed on Informal Calendar (Senate)
- 2026-02-26: Reported from S Transportation, Infrastructure and Public Safety Committee (Senate)
- 2026-02-23: Voted Do Pass S Transportation, Infrastructure and Public Safety Committee (Senate)
- 2026-02-17: Hearing Conducted S Transportation, Infrastructure and Public Safety Committee (Senate)
- 2026-02-12: Second Read and Referred S Transportation, Infrastructure and Public Safety Committee (Senate)
- 2026-01-29: S First Read (Senate)

## Bill text

- Introduced: [PDF](https://www.senate.mo.gov/26info/pdf-bill/intro/SB1605.pdf)

## Related bills

- SB1408: Increases the maximum speed limit from 70 to 75 miles per hour on rural interstates and freeways (signed)
- SB1135: Creates "Bentley and Mason's Law" relating to child maintenance orders for certain persons convicted of the offense of driving while intoxicated (signed)
- SB1067: Establishes the Uniform Public Expression Protection Act, which provides procedures for dismissal of actions based on public expression (signed)
- SB1019: Modifies several provisions relating to health care (signed)
- SB973: Creates and modifies provisions relating to real estate transactions (signed)
- SB890: Repeals expired, terminated, sunset, and obsolete sections of law (signed)

## Sources
- [Introduced (PDF)](https://www.senate.mo.gov/26info/pdf-bill/intro/SB1605.pdf)

## Related
- [SB1408: Increases the maximum speed limit from 70 to 75 miles per hour on rural interst…](https://policyrisk.com/state-bill/MO-SB1408-2026)
- [SB1135: Creates "Bentley and Mason's Law" relating to child maintenance orders for cert…](https://policyrisk.com/state-bill/MO-SB1135-2026)
- [SB1067: Establishes the Uniform Public Expression Protection Act, which provides proced…](https://policyrisk.com/state-bill/MO-SB1067-2026)
- [SB1019: Modifies several provisions relating to health care](https://policyrisk.com/state-bill/MO-SB1019-2026)
- [SB973: Creates and modifies provisions relating to real estate transactions](https://policyrisk.com/state-bill/MO-SB973-2026)
- [SB890: Repeals expired, terminated, sunset, and obsolete sections of law](https://policyrisk.com/state-bill/MO-SB890-2026)
- [Missouri bills](https://policyrisk.com/states/missouri/bills)
- [Missouri state hub](https://policyrisk.com/states/missouri)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/MO-SB1605-2026 (as of 2026-11-04).