{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/montana/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"MT","name":"Montana"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Montana. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: MCA 50-32-101 (dangerous drug analogue).","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":"MCA 50-32-101(7)(a): \"'Dangerous drug analogue' means any material ... that is structurally related to or chemically derived from any dangerous drug in Schedules I through V ..., OR that is expressly or impliedly represented to produce or does produce a physiological effect similar to or greater than the effect of a dangerous drug ...\" (b) excludes scheduled/FDA-approved/excepted substances. [Effect prong gated by representation; 'structurally related' fails for a peptide.]","excerpt_source_url":"https://archive.legmt.gov/bills/mca/title_0500/chapter_0320/part_0010/section_0010/0500-0320-0010-0010.html","citations":[{"title":"MCA 50-32-101 (dangerous drug analogue)","url":"https://law.justia.com/codes/montana/2021/title-50/chapter-32/part-1/section-50-32-101/","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":true,"official":true},{"title":"MCA 50-32-101 (dangerous drug analogue)","url":"https://law.justia.com/codes/montana/2021/title-50/chapter-32/part-1/section-50-32-101/","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"ID","status":"legal"},{"code":"ND","status":"legal"},{"code":"SD","status":"legal"},{"code":"WY","status":"legal"}],"laws":[{"citation":"MCA 50-32-222(4) (Schedule I hallucinogens — enumerated, 4-HO-MET absent); MCA 50-32-222(11) + 50-32-101(7) (Dangerous Drug Analogue)","title":null,"official_url":"https://mca.legmt.gov/bills/mca/title_0500/chapter_0320/part_0020/section_0220/0500-0320-0020-0220.html","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"2aaa76f87ec35feefabb3ab1b57986a40c597b4dd83b03fbe6afba996c638a42"},{"citation":"Mont. Code Ann. 50-32-222(11); 50-32-101(7)","title":"Dangerous drug analogues folded into Schedule I; dangerous drug analogue defined","official_url":"https://mca.legmt.gov/bills/mca/title_0500/chapter_0320/part_0020/section_0220/0500-0320-0020-0220.html","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-20","text_hash":"e7b1283b843566508dac7cbb207e2437135ecc77359570c8187d4320afd3942b"}]}