{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/michigan/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"MI","name":"Michigan"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Michigan. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: MCL 333.7104(4) (controlled substance analogue; offense MCL 333.7402(2)(e)).","forms":[{"form":"all","label":"All forms","status":"legal","state_status":null,"federal_overlay":false,"headline":"Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide","rule_type":"permanent","tier":"unscheduled","schedule_class":null,"limit":null,"effective_date":null,"verified_at":"2026-07-18","confidence":"confirmed","verbatim_excerpt":"MCL 333.7104(4): \"'Controlled substance analogue' means a substance the chemical structure of which is substantially similar to that of a controlled substance in schedule 1 or 2 AND that has a narcotic, stimulant, depressant, or hallucinogenic effect ... or, with respect to a particular individual, that the individual represents or intends ... Controlled substance analogue does not include ... (b) A substance for which there is an approved new drug application. (c) A substance with respect to which an exemption is in effect for investigational use ... (d) Any substance to the extent not intended for human consumption ...\" [Conjunctive; plus human-consumption + approved/investigational-drug exclusions.]","excerpt_source_url":"https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-333-7104","citations":[{"title":"MCL 333.7104(4) (controlled substance analogue; offense MCL 333.7402(2)(e))","url":"https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-333-7104","pinpoint":null,"publisher":"Michigan Legislature","type":"statute","primary":true,"official":true},{"title":"MCL 333.7109 (opiate def)","url":"https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-333-7402","pinpoint":null,"publisher":"Michigan Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"IN","status":"legal"},{"code":"OH","status":"legal"},{"code":"WI","status":"legal"}],"laws":[{"citation":"MCL § 333.7212(1)(c) (Schedule 1 hallucinogens — does NOT name it); analogue reach via MCL § 333.7104(4) + offense § 333.7404.","title":null,"official_url":"https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-333-7104","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"d1c69c482ce4fb29e115eacdc9b1cb81ab89482cf6e318316e2ef7cfa9c71f75"},{"citation":"Mich. Comp. Laws Sec. 333.27953 (Michigan Regulation and Taxation of Marihuana Act; Definitions)","title":"Definitions -- 'Industrial hemp' (subsection (f)), 'Marihuana' (subsections (h)-(i)), and 'THC' (subsection (aa))","official_url":"https://www.legislature.mi.gov/documents/mcl/pdf/mcl-Initiated-Law-1-of-2018.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"e8c0162c5008c928c54edfbe8dc2e2b6afd3013e3b8047fd467f60b191c5db65"}]}