SB 1605 Missouri Senate · 2026 Regular Session

Makes 7-hydroxymitragynine in certain amounts a Schedule I controlled substance

SB 1605 would classify 7-hydroxymitragynine (a compound found in kratom) as a Schedule I controlled substance in the state when present in specified amounts. This bill directly affects individuals possessing or distributing this compound above the defined threshold. The key provision would subject such possession or distribution to the same strict legal penalties as other Schedule I drugs, such as heroin or LSD. The bill is currently in its initial stage (first reading) and has not yet been debated or voted on.
Bill status in committee 1 of 4 stages cleared
Introduction
Jan 2026
Committee Review
Floor Vote
Governor
Introduced Jan 29, 2026 Last action May 15, 2026
Floor votes

How they voted

No floor votes recorded yet.
Full legislative history

Actions timeline

Total actions
9
Key actions
3
Committee
3
Feb 26, 2026
Upper · Passed
Reported from S Transportation, Infrastructure and Public Safety Committee
upper
Feb 23, 2026
Upper · Passed
Voted Do Pass S Transportation, Infrastructure and Public Safety Committee
upper
Feb 17, 2026
Upper · Passed
Hearing Conducted S Transportation, Infrastructure and Public Safety Committee
upper
1 primary · 0 co-sponsors

Sponsors

Role
Legislator
Party
State
District
P
Photo of Mike Henderson
Mike Henderson
RRepublican
MO
3