{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/california/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"CA","name":"California"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in California. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: Cal. Health & Safety Code 11401 (controlled substance analog).","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":"Cal. Health & Safety Code 11401(b): \"'controlled substance analog' means either of the following: (1) A substance the chemical structure of which is substantially similar to the chemical structure of a controlled substance classified in Section 11054 or 11055 ...; (2) A substance that has, is represented as having, or is intended to have a stimulant, depressant, or hallucinogenic effect on the central nervous system that is substantially similar to, or greater than,\" a scheduled substance. (c) excludes approved/exempt FDA drugs and substances not intended for human consumption. [Disjunctive; effect prong = stimulant/depressant/hallucinogenic only.]","excerpt_source_url":"https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?lawCode=HSC&division=10.&chapter=6.5.","citations":[{"title":"Cal. Health & Safety Code 11401 (controlled substance analog)","url":"https://codes.findlaw.com/ca/health-and-safety-code/hsc-sect-11401/","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":true,"official":true},{"title":"Cal. H&S Code 11019 (opiate def)","url":"https://codes.findlaw.com/ca/health-and-safety-code/hsc-sect-11401/","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"AZ","status":"legal"},{"code":"NV","status":"legal"},{"code":"OR","status":"legal"}],"laws":[{"citation":"Cal. Health & Safety Code § 11054(d) (Schedule I hallucinogens — enumerated, does NOT name it).","title":null,"official_url":"https://california.public.law/codes/health_and_safety_code_section_11054","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"91b2e5489663735ffb17ac40c9e7d3cd9fa46f49b420b6ae37b95fde02a497df"},{"citation":"Cal. Health & Safety Code 11054 (Schedule I), subd. (d) hallucinogenic substances","title":"Cal. Health & Safety Code 11054 (Schedule I), subd. (d) hallucinogenic substances","official_url":"https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC&sectionNum=11054","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-08","text_hash":"a9afe7772554108e93f04cfb324055e55c575c649d2226b6d080e0e9c095e154"},{"citation":"Cal. Health & Safety Code Sec. 11401","title":"Controlled substance analog - treated the same as the analogized substance; definition","official_url":"https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC&sectionNum=11401.","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-07-20","text_hash":"8debc4ae7b5b3db3ef4e6752cc94ff58bab49c8ca113dd91b825467020f6c3d2"}]}