{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/endomorphin-1/texas/","compound":{"slug":"endomorphin_1","name":"Endomorphin-1","same_as":"https://en.wikipedia.org/wiki/Endomorphin"},"jurisdiction":{"code":"TX","name":"Texas"},"as_of":"2026-07-18","answer":"As of July 18, 2026, Endomorphin-1 is legal to sell at retail in Texas. Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide. Controlling source: Tex. Health & Safety Code 481.106 (analog; disjunctive structure OR 'specifically designed').","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":"Tex. Health & Safety Code 481.106: \"... Penalty Groups 1, 1-A, 1-B, 2, and 2-A include a controlled substance analogue that: (1) has a chemical structure substantially similar to the chemical structure of a controlled substance listed in the applicable penalty group; OR (2) is specifically designed to produce an effect substantially similar to, or greater than, a controlled substance listed in the applicable penalty group.\" [Disjunctive; prong (2) requires 'specifically designed' - excludes an endogenous peptide; (1) structure fails.]","excerpt_source_url":"https://statutes.capitol.texas.gov/Docs/HS/htm/HS.481.htm","citations":[{"title":"Tex. Health & Safety Code 481.106 (analog; disjunctive structure OR 'specifically designed')","url":"https://texas.public.law/statutes/tex._health_and_safety_code_section_481.106","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":true,"official":true},{"title":"Tex. H&S Code 481.002(29) (opiate def)","url":"https://texas.public.law/statutes/tex._health_and_safety_code_section_481.106","pinpoint":null,"publisher":"Code mirror","type":"statute","primary":false,"official":true}],"history":[]}],"neighbors":[{"code":"AR","status":"legal"},{"code":"LA","status":"legal"},{"code":"NM","status":"legal"},{"code":"OK","status":"legal"}],"laws":[{"citation":"Tex. Health & Safety Code § 481.103(a)(5) — Penalty Group 2 \"ring-hydroxy tryptamine\" structural class","title":null,"official_url":"https://law.justia.com/codes/texas/2021/health-and-safety-code/title-6/subtitle-c/chapter-481/subchapter-d/section-481-103/","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-06-19","text_hash":"0aec322dd401fb2cd55a06123d06f75a7f242ebe3fa926f630a48e571f4c8c41"},{"citation":"Tex. Health & Safety Code 481.103 (Penalty Group 2, hallucinogens)","title":"Tex. Health & Safety Code 481.103 (Penalty Group 2, hallucinogens)","official_url":"https://tcss.legis.texas.gov/resources/HS/htm/HS.481.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-08","text_hash":"9c464f2a396e30b2412a36d21fc95d8adf55e3c878a7b18c15a90e6583c47aa0"},{"citation":"Tex. Health & Safety Code Ann. Sec. 481.103(a)(1)","title":"PENALTY GROUP 2 - hallucinogenic substances","official_url":"https://statutes.capitol.texas.gov/Docs/HS/htm/HS.481.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-20","text_hash":"ed6166a47c68ae9e5953c7d29d063dcb8641251b2a2428ffdd38430238613b89"}]}