{"brand":"Compound Laws","url":"https://compoundlaws.com/states/washington/","jurisdiction":{"code":"WA","name":"Washington"},"as_of":"2026-10-22","summary":"In Washington, Compound Laws tracks 19 compounds: 7 legal to sell at retail, 2 restricted, 2 in a gray area, 3 illegal, and 5 whose status varies by product form. Verified through October 22, 2026.","neighbors":["ID","OR"],"compounds":[{"slug":"pseudoindoxyl","name":"Mitragynine Pseudoindoxyl","form":"all","status":"illegal","headline":"Federally scheduled (schedule_i eff. 2026-08-26) · state law: legal","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/pseudoindoxyl/washington/"},{"slug":"7_oh","name":"7-OH (7-Hydroxymitragynine)","form":"all","status":"legal","headline":"Unregulated -- HB 2291 KCPA died; DOH CR-101 scheduling track open","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/7-oh/washington/"},{"slug":"kratom","name":"Kratom (Whole Leaf / Mitragynine)","form":"all","status":"legal","headline":"Unregulated -- HB 2291 KCPA died; DOH CR-101 scheduling track open","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/kratom/washington/"},{"slug":"speciociliatine","name":"Speciociliatine","form":"all","status":"legal","headline":"Unregulated -- HB 2291 KCPA died; DOH CR-101 scheduling track open","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/speciociliatine/washington/"},{"slug":"d8","name":"Delta-8 THC","form":"all","status":"illegal","headline":"Artificially derived; barred from hemp market (WSLCB)","verified_at":"2026-10-07","url":"https://compoundlaws.com/compounds/d8/washington/"},{"slug":"d9","name":"Delta-9 THC (hemp-derived)","form":"vape","status":"illegal","headline":"Hemp Delta-9 vape - illegal","verified_at":"2026-10-22","url":"https://compoundlaws.com/compounds/d9/washington/"},{"slug":"thca","name":"THCa","form":"all","status":"legal","headline":"delta-9-only basis - THCa flower passes definition","verified_at":"2026-10-19","url":"https://compoundlaws.com/compounds/thca/washington/"},{"slug":"cbn","name":"CBN (Cannabinol)","form":"all","status":"restricted","headline":"Extracted CBN hemp-legal; synthetically-derived (CBD-converted) CBN prohibited; detectable-THC pushes into LCB channel","verified_at":"2026-10-22","url":"https://compoundlaws.com/compounds/cbn/washington/"},{"slug":"hhc","name":"HHC (Hexahydrocannabinol)","form":"capsule","status":"illegal","headline":"Federally scheduled (schedule_i eff. 2026-05-04) · state law: gray","verified_at":"2026-09-23","url":"https://compoundlaws.com/compounds/hhc/washington/"},{"slug":"cbd","name":"CBD (Cannabidiol, hemp-derived)","form":"edible","status":"restricted","headline":"Washington: CBD ingestibles with any detectable THC are cannabis products, LCB stores only.","verified_at":"2026-10-08","url":"https://compoundlaws.com/compounds/cbd/washington/"},{"slug":"cbg","name":"CBG / CBDA / CBGA (hemp-derived)","form":"flower","status":"illegal","headline":"Washington: any detectable THC makes a hemp product a cannabis product, sold only by LCB licensees.","verified_at":"2026-10-08","url":"https://compoundlaws.com/compounds/cbg/washington/"},{"slug":"thcp","name":"THCP","form":"all","status":"illegal","headline":"Artificially derived; same WSLCB bar","verified_at":"2026-09-23","url":"https://compoundlaws.com/compounds/thcp/washington/"},{"slug":"thcv","name":"THCV (Tetrahydrocannabivarin)","form":"vape","status":"gray","headline":"Gray: an inhalable with any detectable THC is a cannabis product (RCW 69.50.101(8)(a)); THCV not named","verified_at":"2026-10-07","url":"https://compoundlaws.com/compounds/thcv/washington/"},{"slug":"4_ho_met","name":"4-HO-MET (Metocin)","form":"all","status":"restricted","headline":"Analog-exposed (RCW 69.50.101(16))","verified_at":"2026-10-07","url":"https://compoundlaws.com/compounds/4-ho-met/washington/"},{"slug":"5_mapb","name":"5-MAPB","form":"all","status":"gray","headline":"Gray (analog-exposed): treated as Schedule I via controlled substance analog act","verified_at":"2026-10-07","url":"https://compoundlaws.com/compounds/5-mapb/washington/"},{"slug":"endomorphin_1","name":"Endomorphin-1","form":"all","status":"legal","headline":"Unscheduled - legal as research-use-only; no operative instrument reaches a structurally-dissimilar opioid peptide","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/endomorphin-1/washington/"},{"slug":"blue_lotus","name":"Blue Lotus (Nymphaea caerulea)","form":"all","status":"legal","headline":"Not scheduled; no named ban or consumption restriction","verified_at":"2026-07-18","url":"https://compoundlaws.com/compounds/blue-lotus/washington/"},{"slug":"amanita_muscimol","name":"Amanita muscaria / Muscimol","form":"all","status":"legal","headline":"Not named on Washington schedules or in any state law; edibles reachable only via general food-adulteration law.","verified_at":"2026-10-08","url":"https://compoundlaws.com/compounds/amanita-muscimol/washington/"},{"slug":"epn","name":"EPN / Euphorinol","form":"edible","status":"illegal","headline":"EPN edible illegal in Washington - artificially derived cannabinoids prohibited in any form (WSLCB/SB 5367); intoxicating consumable reclass","verified_at":"2026-10-07","url":"https://compoundlaws.com/compounds/epn/washington/"}],"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","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","text_hash":"f3042f0e75f2f10b80d825a815fff884984d625c8fb005d079be501632fe1f8d"},{"citation":"RCW 69.50.204(c) (Schedule I hallucinogens — enumerated, 4-HO-MET absent); RCW 69.50.101(16) (controlled substance analog)","title":null,"official_url":"https://app.leg.wa.gov/RCW/default.aspx?cite=69.50.204&pdf=true","text_hash":"f2016f99bbc64a470381e3baf3788ab79b2f96fe9d4ff7c5fd8a228cb126b774"},{"citation":"RCW 69.50.214 (with RCW 69.50.101(16)(a))","title":"Controlled substance analog treated as Schedule I (deeming clause) and the controlled-substance-analog definition","official_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=69.50.214","text_hash":"b89d8e66c22f4597cfab452f33f0c65f718a1e54c59061122967cb5cadfef03a"},{"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","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","text_hash":"03e1ee28695e3aabc4c4fc835fb58f3932c762296d58a6c2012f96aeb491f282"}]}