{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/epn/washington/","compound":{"slug":"epn","name":"EPN / Euphorinol","same_as":null},"jurisdiction":{"code":"WA","name":"Washington"},"as_of":"2026-10-07","answer":"As of October 7, 2026, the status of EPN / Euphorinol in Washington depends on product form: edible / ingestible is illegal; vape / inhalable is illegal.","forms":[{"form":"edible","label":"Edible / ingestible","status":"illegal","state_status":null,"federal_overlay":false,"headline":"EPN edible illegal in Washington - artificially derived cannabinoids prohibited in any form (WSLCB/SB 5367); intoxicating consumable reclass","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2023-07-23","verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"RCW 15.140.020(7) - 'Hemp' means the plant Cannabis sativa L. ... with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis. (SB 5367, 2023: any THC-bearing consumable above trace is a 'cannabis product' under WSLCB; artificially derived cannabinoids barred from the hemp market.)","excerpt_source_url":"https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020","citations":[{"title":"RCW 15.140.020(7),(8) (hemp def, delta-9 only; 'hemp consumable' includes inhalation); SB 5367 (2023) hemp-vs-cannabis line; WSLCB treats artificially derived cannabinoids as barred from the hemp market","url":"https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020","pinpoint":null,"publisher":"Washington State Legislature","type":"legislation","primary":true,"official":true},{"title":"SB 5367 — 2023-24 bill summary and history","url":"https://app.leg.wa.gov/billsummary?BillNumber=5367&Year=2023&Initiative=false","pinpoint":null,"publisher":"Washington State Legislature","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2023-07-23"}]},{"form":"vape","label":"Vape / inhalable","status":"illegal","state_status":null,"federal_overlay":false,"headline":"EPN vape illegal in Washington - artificially derived cannabinoids prohibited in any form (WSLCB/SB 5367); no legal intoxicating-hemp channe","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2023-07-23","verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"RCW 15.140.020(7) - 'Hemp' means the plant Cannabis sativa L. ... with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis. (SB 5367, 2023: any THC-bearing consumable above trace is a 'cannabis product' under WSLCB; artificially derived cannabinoids barred from the hemp market.)","excerpt_source_url":"https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020","citations":[{"title":"RCW 15.140.020(7),(8) (hemp def, delta-9 only; 'hemp consumable' includes inhalation); SB 5367 (2023) hemp-vs-cannabis line; WSLCB treats artificially derived cannabinoids as barred from the hemp market","url":"https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020","pinpoint":null,"publisher":"Washington State Legislature","type":"legislation","primary":true,"official":true},{"title":"SB 5367 — 2023-24 bill summary and history","url":"https://app.leg.wa.gov/billsummary?BillNumber=5367&Year=2023&Initiative=false","pinpoint":null,"publisher":"Washington State Legislature","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2023-07-23"}]}],"neighbors":[{"code":"ID","status":"illegal"},{"code":"OR","status":"restricted"}],"laws":[{"citation":"RCW 15.140.020","title":"Definitions -- Hemp (delta-9-only); Hemp consumable (includes inhalation)","official_url":"https://app.leg.wa.gov/RCW/default.aspx?cite=15.140.020","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"8f2ff536faa0aba7df25addbeac7a2808725de47a7bd1fed5886453ea57e8a87"},{"citation":"RCW 69.50.101(4), (8)(a), (49); RCW 15.140.020 (SB 5367, 2023)","title":"RCW 69.50.101(4), (8)(a), (49); RCW 15.140.020 (SB 5367, 2023)","official_url":"https://app.leg.wa.gov/RCW/default.aspx?cite=69.50.101","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"f3042f0e75f2f10b80d825a815fff884984d625c8fb005d079be501632fe1f8d"},{"citation":"RCW 69.50.575","title":"69.50.575. Cannabis health and beauty aids.","official_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=69.50.575","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-18","text_hash":"ddf002e2f91de129eddb77f22035f58095847d82ebb7f75d4e4619d515a313af"},{"citation":"RCW 69.50.575 (Cannabis health and beauty aids); RCW 69.50.101(8)(a) (cannabis product definition -- detectable-THC trigger)","title":"Cannabis product definition","official_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=69.50.575","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"03e1ee28695e3aabc4c4fc835fb58f3932c762296d58a6c2012f96aeb491f282"}]}