{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/arizona/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"AZ","name":"Arizona"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Arizona. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: A.R.S. 13-3451 (imitation CS).","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":"A.R.S. 13-3451: \"'Imitation controlled substance' means a drug, substance or immediate precursor ... which by ... color or dosage unit appearance ... would lead a reasonable person to believe that the substance is a controlled substance.\" Arizona has no general structure/effect analogue statute (only closed mimetic-scaffold classes). [Appearance only.]","excerpt_source_url":"https://www.azleg.gov/ars/13/03401.htm","citations":[{"title":"A.R.S. 13-3451 (imitation CS)","url":"https://www.azleg.gov/ars/13/03401.htm","pinpoint":null,"publisher":"Arizona Legislature","type":"statute","primary":true,"official":true},{"title":"A.R.S. 13-3451 (imitation CS)","url":"https://www.azleg.gov/ars/13/03451.htm","pinpoint":null,"publisher":"Arizona Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"CA","status":"legal"},{"code":"CO","status":"legal"},{"code":"NM","status":"legal"},{"code":"NV","status":"legal"},{"code":"UT","status":"legal"}],"laws":[{"citation":"A.R.S. § 13-3401(6)(a)(xxx) — the \"N-methyltryptamine mimetic substances\" generic. Added by SB 1088 (2021).","title":null,"official_url":"https://www.azleg.gov/ars/13/03401.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"d95ffb8966cc954a92e649c6c92756a6a622d0dd0dc0b9bda473c2560e91aa60"},{"citation":"A.R.S. Sec. 13-3401(6)(a)","title":"Definitions - 'Dangerous drug' hallucinogenic substances (paragraph 6, subdivision (a))","official_url":"https://www.azleg.gov/ars/13/03401.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-20","text_hash":"7d8967c94071fba2af63e50534dc76a537a178b7c2caa4cf1fe9686310f64bf3"}]}