{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/epn/hawaii/","compound":{"slug":"epn","name":"EPN / Euphorinol","same_as":null},"jurisdiction":{"code":"HI","name":"Hawaii"},"as_of":"2026-10-25","answer":"As of October 22, 2026, the status of EPN / Euphorinol in Hawaii 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":"Illegal - artificially-derived-cannabinoid ban (HRS 328G-1) reaches semi-synthetic EPN; mg caps moot","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2024-12-06","verified_at":"2026-10-22","confidence":"confirmed","verbatim_excerpt":"HRS 328G-1 - 'Artificially derived cannabinoid means a chemical substance that is created by a chemical reaction that changes the molecular structure of any chemical substance derived from the plant genus cannabis.' (excludes decarboxylation without a chemical catalyst) 'Synthetic cannabinoid means a cannabinoid that is: (1) Produced artificially ... and (2) Not derived from the genus cannabis, including biosynthetic cannabinoids.'","excerpt_source_url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0328G/HRS_0328G-0001.htm","citations":[{"title":"HRS Sec. 328G-1 (artificially derived / synthetic cannabinoid definitions)","url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0328G/HRS_0328G-0001.htm","pinpoint":null,"publisher":"Hawaii State Legislature","type":"gov","primary":true,"official":true},{"title":"Archive | Hemp Program (interim-rule version history)","url":"https://health.hawaii.gov/hempprogram/archive/","pinpoint":null,"publisher":"Hawaii State Department of Health","type":"statute","primary":true,"official":true},{"title":"HAR 11-37 interim hemp rules summary (mg caps + food-form prohibition)","url":"https://health.hawaii.gov/hempprogram/files/2026/04/11-37_InterimHempRulesSummaryFinal-v3_4-2026.pdf","pinpoint":null,"publisher":"Hawaii Department of Health","type":"gov","primary":false,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2024-12-06"}]},{"form":"vape","label":"Vape / inhalable","status":"illegal","state_status":null,"federal_overlay":false,"headline":"Illegal - artificially-derived-cannabinoid ban (HRS 328G-1) AND inhalable-hemp prohibition (HAR 11-37); doubly barred","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2021-08-09","verified_at":"2026-10-25","confidence":"confirmed","verbatim_excerpt":"HRS 328G-1 - 'Artificially derived cannabinoid means a chemical substance that is created by a chemical reaction that changes the molecular structure of any chemical substance derived from the plant genus cannabis.' HAR 11-37 - 'Hemp flower material, hemp leaf, hemp cigarettes ... intended to be smoked or inhaled are prohibited. Inhalable hemp products are prohibited.'","excerpt_source_url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0328G/HRS_0328G-0001.htm","citations":[{"title":"HRS Sec. 328G-1 (artificially derived / synthetic cannabinoid definitions)","url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0328G/HRS_0328G-0001.htm","pinpoint":null,"publisher":"Hawaii State Legislature","type":"gov","primary":true,"official":true},{"title":"HAR 11-37 interim hemp rules summary (inhalable-product prohibition)","url":"https://health.hawaii.gov/hempprogram/files/2026/04/11-37_InterimHempRulesSummaryFinal-v3_4-2026.pdf","pinpoint":null,"publisher":"Hawaii Department of Health","type":"gov","primary":true,"official":true},{"title":"Archive | Hemp Program (interim-rule version history)","url":"https://health.hawaii.gov/hempprogram/archive/","pinpoint":null,"publisher":"Hawaii State Department of Health","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2021-08-09"}]}],"neighbors":[],"laws":[{"citation":"Haw. Admin. R. 11-37-3","title":"Prohibited manufactured hemp products","official_url":"https://health.hawaii.gov/hempprogram/consumers-of-mhp-faq/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"235db61e54f06edc55cef3872313b80e17958219ebebcd020ea9003fbce7f2ef"},{"citation":"Haw. Admin. R. 11-37-3(e)-(f) (am. and comp. 2026-01-28); HRS ch. 328G","title":"Haw. Admin. R. 11-37-3(e)-(f) (am. and comp. 2026-01-28); HRS ch. 328G","official_url":"https://health.hawaii.gov/hempprogram/files/2026/02/Standard11-37HAR-20260128.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"7e1f52470eecfb581ec8c0ec3a063f45de52602c8d151f79f148eef5fd2ca4b4"},{"citation":"Haw. Admin. R. Sec.11-37-3","title":"Prohibitions on Sale","official_url":"https://health.hawaii.gov/hempprogram/consumers-of-mhp-faq/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"235db61e54f06edc55cef3872313b80e17958219ebebcd020ea9003fbce7f2ef"},{"citation":"HRS 328G-1","title":"Definitions","official_url":"https://www.capitol.hawaii.gov/hrscurrent/Vol06_Ch0321-0344/HRS0328G/HRS_0328G-0001.htm","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"823a943b28b715ded5f3b33a1fa53000404e41d2df6e655def917eb16170b8dd"}]}