{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thca/missouri/","compound":{"slug":"thca","name":"THCa","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabinolic_acid"},"jurisdiction":{"code":"MO","name":"Missouri"},"as_of":"2026-10-07","answer":"As of October 7, 2026, THCa is legal to sell at retail in Missouri. THCa flower legal: delta-9-only basis; not named in EO | HB 2641: marijuana-only from Nov 12, 2026. Controlling source: Missouri Executive Order 24-10 (Aug. 1, 2024); no enacted intoxicating-hemp statute.","forms":[{"form":"all","label":"All forms","status":"legal","state_status":null,"federal_overlay":false,"headline":"THCa flower legal: delta-9-only basis; not named in EO | HB 2641: marijuana-only from Nov 12, 2026","rule_type":null,"tier":null,"schedule_class":null,"limit":null,"effective_date":null,"verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"... I ... do hereby order the DHSS, beginning on September 1, 2024, to designate foods containing unregulated psychoactive cannabis products [delta-8 THC, delta-10 THC, HHC, THC-O, THCP, THCV, and other similar compounds] as foods that come from an unapproved food source or as foods that contain an unapproved food additive ... and to ... embargo and condemn any food containing unregulated psychoactive cannabis products.","excerpt_source_url":"https://www.sos.mo.gov/library/reference/orders/2024/eo10","citations":[{"title":"Missouri Executive Order 24-10 (Aug. 1, 2024); no enacted intoxicating-hemp statute","url":"https://www.sos.mo.gov/library/reference/orders/2024/eo10","pinpoint":null,"publisher":"Official state source","type":"gov","primary":true,"official":true},{"title":"Missouri Executive Order 24-10 (Aug. 1, 2024); no enacted intoxicating-hemp statute","url":"https://www.sos.mo.gov/library/reference/orders/2024/eo10","pinpoint":null,"publisher":"Official state source","type":"gov","primary":true,"official":true}],"history":[{"date":"2026-09-22","field":"headline","from":"THCa flower legal: delta-9-only basis; not named in EO","to":"THCa flower legal: delta-9-only basis; not named in EO | HB 2641: marijuana-only from Nov 12, 2026"}]}],"neighbors":[{"code":"AR","status":"illegal"},{"code":"IL","status":"restricted"},{"code":"IA","status":"illegal"},{"code":"KS","status":"legal"},{"code":"KY","status":"illegal"},{"code":"NE","status":"restricted"},{"code":"OK","status":"restricted"},{"code":"TN","status":"illegal"}],"laws":[{"citation":"Mo. Exec. Order 24-10 (Aug. 1, 2024)","title":"Executive Order 24-10 -- directing DHSS to designate foods containing unregulated psychoactive cannabis products as coming from an unapproved food source / containing an unapproved food additive, and to embargo and condemn such foods; directing Division of Alcohol and Tobacco Control to prohibit sale on liquor-licensed premises","official_url":"https://www.sos.mo.gov/library/reference/orders/2024/eo10","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"40421b2949322e510eb7b3788221c96354a0c74238486b7cc83398124ca8bdc4"},{"citation":"RSMo 195.010(24), (28); 195.900; HB 2641 (2026) eff. 2026-11-12","title":"RSMo 195.010(24), (28); 195.900; HB 2641 (2026) eff. 2026-11-12","official_url":"https://revisor.mo.gov/main/OneSection.aspx?section=195.010","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"8f0fbab77993567324a8b9f191e5c75922b79cd9838806912564e414977a1fb1"},{"citation":"RSMo 195.010(24), (28); Missouri Executive Order 24-10 (Aug. 1, 2024)","title":"Industrial hemp / marijuana definitions; Executive Order 24-10 naming HHC as an unregulated psychoactive cannabis product","official_url":"https://www.sos.mo.gov/library/reference/orders/2024/eo10","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"fe1d0482da400e7cd57977d177f9a14469ab34406f796139f29a428a0894afe4"},{"citation":"RSMo 195.900","title":"Intoxicating cannabinoids (HB 2641)","official_url":"https://revisor.mo.gov/main/OneSection.aspx?section=195.900","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"fd231801485392c4ba3274a71bd70d2baf0f517ff231e36b3d18718ab6fd61b2"}]}