{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/iowa/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"IA","name":"Iowa"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Iowa. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: Iowa Code 124.101(20) (opiate def).","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":"Iowa has no general structure/effect analogue statute. Iowa Code 124.101(27): \"'Simulated controlled substance' means a substance which is not a controlled substance but which is expressly or impliedly represented to be a controlled substance ...\" Schedule I reaches designer opioids only via enumerated structural classes (e.g., 124.204(9) fentanyl-related substances). [Representation + specific structural classes only.]","excerpt_source_url":"https://www.legis.iowa.gov/docs/code/124.204.pdf","citations":[{"title":"Iowa Code 124.101(20) (opiate def)","url":"https://www.legis.iowa.gov/docs/code/124.204.pdf","pinpoint":null,"publisher":"Iowa Legislature","type":"statute","primary":true,"official":true},{"title":"Iowa Code 124.101(20) (opiate def)","url":"https://www.legis.iowa.gov/docs/code/124.204.pdf","pinpoint":null,"publisher":"Iowa Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"IL","status":"legal"},{"code":"MN","status":"legal"},{"code":"MO","status":"legal"},{"code":"NE","status":"legal"},{"code":"SD","status":"legal"},{"code":"WI","status":"legal"}],"laws":[{"citation":"Iowa Code § 124.204(4) (Schedule I hallucinogens — enumerated, does NOT name it); § 124.401 (no general analog-treatment clause).","title":null,"official_url":"https://www.legis.iowa.gov/docs/code/124.204.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"e299c19e0a0f45ee6ef41aa52997209396515185606a85b276885901dcb83e91"}]}