{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thca/ohio/","compound":{"slug":"thca","name":"THCa","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabinolic_acid"},"jurisdiction":{"code":"OH","name":"Ohio"},"as_of":"2026-10-22","answer":"As of October 22, 2026, THCa is illegal to sell at retail in Ohio. total-THC basis kills THCa flower. Effective 2026-03-20. Controlling source: Ohio Rev. Code Sec. 928.01 (SB 56) - total THC + 0.4 mg/container + synthetic exclusion.","forms":[{"form":"all","label":"All forms","status":"illegal","state_status":null,"federal_overlay":false,"headline":"total-THC basis kills THCa flower","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":null,"effective_date":"2026-03-20","verified_at":"2026-10-22","confidence":"confirmed","verbatim_excerpt":"'Hemp' means the plant Cannabis sativa L. ... with a total tetrahydrocannabinols concentration, including tetrahydrocannabinolic acid, of not more than three-tenths per cent on a dry weight basis.","excerpt_source_url":"https://codes.ohio.gov/ohio-revised-code/section-928.01","citations":[{"title":"Ohio Rev. Code Sec. 928.01 (SB 56) - total THC + 0.4 mg/container + synthetic exclusion","url":"https://codes.ohio.gov/ohio-revised-code/section-928.01","pinpoint":null,"publisher":"Ohio Laws and Administrative Rules","type":"gov","primary":true,"official":true}],"history":[{"date":"2026-09-23","field":"status","from":"illegal","to":"restricted"},{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-22","field":"effectively_prohibitive","from":"false","to":"true"},{"date":"2026-09-22","field":"status","from":"illegal","to":"restricted"}]}],"neighbors":[{"code":"IN","status":"illegal"},{"code":"KY","status":"illegal"},{"code":"MI","status":"illegal"},{"code":"PA","status":"legal"},{"code":"WV","status":"restricted"}],"laws":[{"citation":"Ohio Rev. Code 928.01","title":"Definitions (hemp-derived cannabinoid product cap)","official_url":"https://codes.ohio.gov/ohio-revised-code/section-928.01","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"6c140edf84af933da3ed7ce181e29f8632f94a8470e183e2030948152e150afa"},{"citation":"Ohio Rev. Code Sec. 928.01 (Definitions), divisions (A), (C), (E), (H) - as enacted by SB 56, 136th General Assembly, eff. March 20, 2026","title":"Ohio Rev. Code Sec. 928.01 (Hemp and Hemp Products - Definitions) - 'Container', 'Hemp' with synthetic-origin and 0.4 mg similar-effects exclusions, 'Hemp-derived cannabinoid product', 'Intermediate hemp-derived cannabinoid product'","official_url":"https://codes.ohio.gov/ohio-revised-code/section-928.01","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"6c140edf84af933da3ed7ce181e29f8632f94a8470e183e2030948152e150afa"},{"citation":"Ohio Revised Code 928.01(C)","title":"Definitions -- Hemp; exclusions for intermediate and final hemp-derived cannabinoid products (SB 56, eff. 3/20/2026)","official_url":"https://codes.ohio.gov/ohio-revised-code/section-928.01","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"eda464f28d51571ebdcb9e1508a956f524296b5158aea7a237b6ed2a7ae8fcd3"},{"citation":"R.C. 928.01(C), (E) (eff. 2026-03-20, SB 56)","title":"R.C. 928.01(C), (E) (eff. 2026-03-20, SB 56)","official_url":"https://codes.ohio.gov/assets/laws/revised-code/authenticated/9/928/928.01/3-20-2026/928.01-3-20-2026.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"5ca11dce0915c0e2fa699dca5d30a81658c8735189b078d3ab5dd999afe07fcb"}]}