{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/rhode-island/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"RI","name":"Rhode Island"},"as_of":"2026-10-19","answer":"As of October 19, 2026, Endomorphin-1 is legal to sell at retail in Rhode Island. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: None - imitation CS only (R.I. Gen. Laws 21-28-1.02(24)).","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":"2026-10-19","confidence":"confirmed","verbatim_excerpt":"R.I. Gen. Laws 21-28-1.02(24): \"'Imitation controlled substance' means a substance that is not a controlled substance, that by dosage unit, appearance (including color, shape, size, and markings), or by representations made, would lead a reasonable person to believe that the substance is a controlled substance ...\" No analogue statute. [Appearance/representation only.]","excerpt_source_url":"http://webserver.rilegislature.gov/Statutes/TITLE21/21-28/21-28-1.02.htm","citations":[{"title":"None - imitation CS only (R.I. Gen. Laws 21-28-1.02(24))","url":"http://webserver.rilegislature.gov/Statutes/TITLE21/21-28/21-28-1.02.htm","pinpoint":null,"publisher":"Rhode Island Legislature","type":"statute","primary":true,"official":true},{"title":"R.I. Gen. Laws 21-28-1.02(32) (opiate def)","url":"https://codes.findlaw.com/ri/title-21-food-and-drugs/ri-gen-laws-sect-21-28-1-02.html","pinpoint":null,"publisher":"Rhode Island Legislature","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"CT","status":"legal"},{"code":"MA","status":"legal"}],"laws":[{"citation":"R.I. Gen. Laws § 21-28-2.08(d) (Schedule I hallucinogens — enumerated, 4-HO-MET absent); § 21-28-1.02 (imitation controlled substance — appearance-based)","title":null,"official_url":"https://webserver.rilegislature.gov/Statutes/TITLE21/21-28/21-28-2.08.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"27d6e8e75c6453866316d2ba515d84646810475d2b557687e85961d5a4255459"}]}