{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/hawaii/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"HI","name":"Hawaii"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Hawaii. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: HRS 329-1 (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":"Hawaii has no analogue statute (HRS ch. 329 reaches designer drugs only by specific scheduling). HRS 329-1: \"'Opiate' means any substance having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a drug having addiction-forming or addiction-sustaining liability.\" - definitional only; EM-1 not scheduled. [No analogue reach.]","excerpt_source_url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0329/HRS_0329-0014.htm","citations":[{"title":"HRS 329-1 (opiate def)","url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0329/HRS_0329-0014.htm","pinpoint":null,"publisher":"Hawaii Legislature","type":"statute","primary":true,"official":true},{"title":"HRS 329-1 (opiate def)","url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0329/HRS_0329-0001.htm","pinpoint":null,"publisher":"Hawaii Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[],"laws":[{"citation":"HRS § 329-14(d) (Schedule I hallucinogens — does NOT name it); HRS § 329-1 (definitions — contains NO controlled-substance-analog definition).","title":null,"official_url":"https://law.justia.com/codes/hawaii/title-19/chapter-329/section-329-14/","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"fbf286ee4ef617a29077df9959ffc4c0c3d58f6a6bb35305e3eda7ed8fcf8776"},{"citation":"HRS 329-14 (Schedule I), subsection (d) hallucinogenic substances","title":"HRS 329-14 (Schedule I), subsection (d) hallucinogenic substances","official_url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0329/HRS_0329-0014.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-08","text_hash":"04a4a24d2429287a8c4b770669251cf37ff5ea8d24572ba58590828c2b88ce2d"}]}