{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/south-dakota/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"SD","name":"South Dakota"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in South Dakota. Unscheduled; HAS an analog statute (treated as Sch I) but does not reach EM-1 - corrected from earlier 'no statute' note. Controlling source: SDCL 34-20B-1(5) (controlled substance analogue; treated as Sch I per 34-20B-3.1) - CORRECTION: SD DOES have an analog statute.","forms":[{"form":"all","label":"All forms","status":"legal","state_status":null,"federal_overlay":false,"headline":"Unscheduled; HAS an analog statute (treated as Sch I) but does not reach EM-1 - corrected from earlier 'no statute' note","rule_type":"permanent","tier":"unscheduled","schedule_class":null,"limit":null,"effective_date":null,"verified_at":"2026-07-18","confidence":"confirmed","verbatim_excerpt":"SDCL 34-20B-1(5): \"'Controlled substance analogue,' any of the following: (a) A substance that differs ... only by substituting one or more hydrogens with halogens ...; (b) ... an alkyl homolog ...; or (c) A substance INTENDED FOR HUMAN CONSUMPTION: (i) The chemical structure of which is substantially similar ...; (ii) That has a stimulant, depressant, or hallucinogenic effect ...; or (iii) ... which the person represents or intends ...\" (34-20B-3.1: \"A controlled substance analogue shall be treated as a controlled substance in schedule I.\") [CORRECTION: SD has an analogue statute; effect prong = stimulant/depressant/hallucinogenic; human-consumption gate on (c).]","excerpt_source_url":"https://sdlegislature.gov/Statutes/34-20B-1","citations":[{"title":"SDCL 34-20B-1(5) (controlled substance analogue; treated as Sch I per 34-20B-3.1) - CORRECTION: SD DOES have an analog statute","url":"https://sdlegislature.gov/Statutes/34-20B-1","pinpoint":null,"publisher":"South Dakota Legislature","type":"statute","primary":true,"official":true},{"title":"SDCL 34-20B-3.1 (analogue treated as Sch I)","url":"https://sdlegislature.gov/Statutes/34-20B-3.1","pinpoint":null,"publisher":"South Dakota Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"IA","status":"legal"},{"code":"MN","status":"legal"},{"code":"MT","status":"legal"},{"code":"NE","status":"legal"},{"code":"ND","status":"legal"},{"code":"WY","status":"legal"}],"laws":[{"citation":"S.D. Codified Laws § 34-20B-14(59) — named within, and as, the \"Substituted tryptamines\" structural class","title":null,"official_url":"https://law.justia.com/codes/south-dakota/title-34/chapter-20b/section-34-20b-14/","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"abd989f96540bb5f11738daee285aba4026763b4c4a8bb0faef83e7cd11e5cb5"},{"citation":"SDCL 34-20B-14(58)","title":"Hallucinogenic substances included in Schedule I - Substituted phenethylamine","official_url":"https://sdlegislature.gov/api/Statutes/34-20B-14.html","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-20","text_hash":"e39bd2b20306d405b842c3ca9ae0ee76c8a9e86b9438665f86edf7ed16447f51"}]}