{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thcp/wisconsin/","compound":{"slug":"thcp","name":"THCP","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabiphorol"},"jurisdiction":{"code":"WI","name":"Wisconsin"},"as_of":"2026-10-22","answer":"As of October 22, 2026, THCP is in a legal gray area (sold in practice, exposed to an interpretive ban theory) in Wisconsin. Novel/synthetic; conversion gray zone.","forms":[{"form":"all","label":"All forms","status":"gray","state_status":null,"federal_overlay":false,"headline":"Novel/synthetic; conversion gray zone","rule_type":"permanent","tier":"concentration_cap","schedule_class":null,"limit":null,"effective_date":null,"verified_at":"2026-10-22","confidence":"under_review","verbatim_excerpt":"'hemp' means the plant Cannabis sativa L. ... with a delta-9-tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis or the maximum concentration allowed under federal law up to 1 percent, whichever is greater, as tested using post-decarboxylation or other similarly reliable methods. (Wis. Stat. 94.55(1))","excerpt_source_url":"https://docs.legis.wisconsin.gov/statutes/statutes/94/55","citations":[],"history":[]}],"neighbors":[{"code":"IL","status":"restricted"},{"code":"IA","status":"illegal"},{"code":"MI","status":"restricted"},{"code":"MN","status":"illegal"}],"laws":[{"citation":"Wis. Stat. 94.55(1)","title":"Wis. Stat. 94.55(1)","official_url":"https://docs.legis.wisconsin.gov/misc/lc/issue_briefs/2026/alcohol_beverages_and_cannabis/ib_federal_hemp_legislation_ao_2026_05_19","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"066ae72f238df681b67bc6b2ed881253a08df9f05f70d21b7b757f046d518385"},{"citation":"Wis. Stat. Sec. 94.55(1), (2)","title":"Industrial hemp -- Definition; Regulation of hemp","official_url":"https://docs.legis.wisconsin.gov/statutes/statutes/94/55","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"116ab44ea3a21577e85a2d1796d7ad36942c9d8e869edd2a9bc9b67c654c635b"}]}