{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thcp/massachusetts/","compound":{"slug":"thcp","name":"THCP","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabiphorol"},"jurisdiction":{"code":"MA","name":"Massachusetts"},"as_of":"2026-07-25","answer":"As of July 25, 2026, THCP is illegal to sell at retail in Massachusetts. THCP illegal: synthetic-THC prohibition. Effective 2024-04-03. Controlling source: Massachusetts Hemp Program Processor Policy No. 2024-1, Section C — Prohibited Hemp Products in Massachusetts.","forms":[{"form":"all","label":"All forms","status":"illegal","state_status":null,"federal_overlay":false,"headline":"THCP illegal: synthetic-THC prohibition","rule_type":null,"tier":null,"schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2024-04-03","verified_at":"2026-07-25","confidence":"confirmed","verbatim_excerpt":"'Total THC' ... means the total available THC as measured after decarboxylation or derived from the sum of the THC and THCa content using the following formula: delta-9 THC + (THCa * 0.877). ... Prohibited: Any synthetically derived THC including, but not limited to delta-8 THC, THCO, THC10, HHO, THC-o-acetate ... Unprocessed or raw plant material, including the flower ... except when sold to a Person licensed by the CCC.","excerpt_source_url":"https://www.mass.gov/doc/2024-hemp-processor-policy/download","citations":[{"title":"Massachusetts Hemp Program Processor Policy No. 2024-1, Section C — Prohibited Hemp Products in Massachusetts","url":"https://www.mass.gov/doc/2024-hemp-processor-policy/download","pinpoint":null,"publisher":"Massachusetts Department of Agricultural Resources","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2024-04-03"}]}],"neighbors":[{"code":"CT","status":"illegal"},{"code":"NH","status":"illegal"},{"code":"NY","status":"illegal"},{"code":"RI","status":"illegal"},{"code":"VT","status":"illegal"}],"laws":[{"citation":"M.G.L. c. 128, ss. 116-123; MDAR Policy Statement on Sale of Hemp-Derived Products (rev. 2021-10-04)","title":"M.G.L. c. 128, ss. 116-123; MDAR Policy Statement on Sale of Hemp-Derived Products (rev. 2021-10-04)","official_url":"https://www.mass.gov/doc/mdar-policy-statement-sale-of-hemp-derived-products/download","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"4f68be967b302722745d34dc498c5a319f77f8fefcd38d3730af300cd2fe1782"},{"citation":"M.G.L. c.128, SS116; DPH/MDAR Joint Notice (5/29/2024)","title":"Hemp definitions; hemp-derived CBD/THC food and beverage prohibition; MDAR synthetic-cannabinoid bar","official_url":"https://www.mass.gov/doc/abcc-advisory-regarding-food-and-beverages-containing-hemp-derived-cbd-andor-thc-on-licensed-premises/download","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"660651baea516494a653b9214572673143c1000e780f2b896ea25934a207b4e9"},{"citation":"Mass. G.L. c.270 s.28","title":"Flavored tobacco products","official_url":"https://malegislature.gov/Laws/GeneralLaws/PartIV/TitleI/Chapter270/Section28","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"c427cb2f023ef8803e1bb06b8a9ab80cb26e7e97111e499ce514692ab65f913e"},{"citation":"Mass. Gen. Laws ch. 94C, Sec. 1 (Controlled Substances Act; Definitions)","title":"Definitions -- 'Controlled substance analogue' (and related 'Controlled substance', 'Tetrahydrocannabinol', and 'Marihuana' definitions)","official_url":"https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXV/Chapter94C/Section1","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"9a0f4c5c022d2a017e61bbbc952a49595112797b885de49649ff5f106ae02c27"},{"citation":"MDAR 2024 Hemp Processor Policy, Policy No. 2024-1 (Mass. Dept. of Agricultural Resources), issued under M.G.L. c. 128, Sections 116-123","title":"2024 Hemp Processor Policy -- 'Total THC' and related Definitions; Section C. Prohibited Hemp Products in Massachusetts","official_url":"https://www.mass.gov/doc/2024-hemp-processor-policy/download","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"0b75e2cb6eb5602a3b09f7fce7e14a47d4fd479ef0ac693839b61a2dce4605a5"}]}