{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/epn/idaho/","compound":{"slug":"epn","name":"EPN / Euphorinol","same_as":null},"jurisdiction":{"code":"ID","name":"Idaho"},"as_of":"2026-10-07","answer":"As of October 7, 2026, the status of EPN / Euphorinol in Idaho 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 - Schedule I (37-2705) + marijuana presumption (37-2701); no legal intoxicant market, edible form no cure","rule_type":"permanent","tier":"schedule_i","schedule_class":"schedule_1","limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2021-04-16","verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"Idaho Code 37-2705(d)(29) - 'Tetrahydrocannabinols or synthetic equivalents of the substances contained in the plant, or in the resinous extractives of Cannabis, sp. and/or synthetic substances, derivatives, and their isomers with similar chemical structure ...' Idaho Code 37-2701(u)(1) - '... including both delta-9 tetrahydrocannabinol and delta-9 tetrahydrocannabinolic acid (THCA) evaluated by decarboxylation during analysis.' 37-2701(u) marijuana presumption for any tetrahydrocannabinol-containing material.","excerpt_source_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","citations":[{"title":"Idaho Code Sec. 37-2701 (hemp def + marijuana presumption)","url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","pinpoint":null,"publisher":"Idaho State Legislature","type":"gov","primary":true,"official":true},{"title":"Idaho Code Sec. 37-2705(d)(29) (Schedule I - tetrahydrocannabinols / synthetic equivalents)","url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2705/","pinpoint":null,"publisher":"Idaho State Legislature","type":"gov","primary":true,"official":true},{"title":"HOUSE BILL 126 (2021) - Signed by Governor April 16, 2021; Session Law Ch. 242; Effective 04/16/2021","url":"https://legislature.idaho.gov/sessioninfo/2021/legislation/H0126/","pinpoint":null,"publisher":"Idaho State Legislature, Legislative Services Office","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2021-04-16"}]},{"form":"vape","label":"Vape / inhalable","status":"illegal","state_status":null,"federal_overlay":false,"headline":"Illegal - Schedule I (37-2705 synthetic equivalents/similar-structure) + marijuana presumption (37-2701); no legal intoxicant market","rule_type":"permanent","tier":"schedule_i","schedule_class":"schedule_1","limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2021-04-16","verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"Idaho Code 37-2705(d)(29) - 'Tetrahydrocannabinols or synthetic equivalents of the substances contained in the plant, or in the resinous extractives of Cannabis, sp. and/or synthetic substances, derivatives, and their isomers with similar chemical structure ...' Idaho Code 37-2701(u) - 'Evidence that any plant material ... contains any of the chemical substances classified as tetrahydrocannabinols shall create a presumption that such material is marijuana.'","excerpt_source_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2705/","citations":[{"title":"Idaho Code Sec. 37-2701 (hemp def + marijuana presumption)","url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","pinpoint":null,"publisher":"Idaho State Legislature","type":"gov","primary":true,"official":true},{"title":"Idaho Code Sec. 37-2705(d)(29) (Schedule I - tetrahydrocannabinols / synthetic equivalents)","url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2705/","pinpoint":null,"publisher":"Idaho State Legislature","type":"gov","primary":true,"official":true},{"title":"HOUSE BILL 126 (2021) - Signed by Governor April 16, 2021; Session Law Ch. 242; Effective 04/16/2021","url":"https://legislature.idaho.gov/sessioninfo/2021/legislation/H0126/","pinpoint":null,"publisher":"Idaho State Legislature, Legislative Services Office","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-07-25","field":"effective_date","from":null,"to":"2021-04-16"}]}],"neighbors":[{"code":"MT","status":"illegal"},{"code":"NV","status":"illegal"},{"code":"OR","status":"restricted"},{"code":"UT","status":"restricted"},{"code":"WA","status":"illegal"},{"code":"WY","status":"illegal"}],"laws":[{"citation":"Idaho Code 37-2701","title":"Definitions","official_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"4e935c6f921f63663b0a2aae358e680a9ea5cc5c92b615234609303fe78453ca"},{"citation":"Idaho Code 37-2701 (marijuana definition, hemp exclusion), 37-2705; Idaho Code 22-1703","title":"Idaho Code 37-2701 (marijuana definition, hemp exclusion), 37-2705; Idaho Code 22-1703","official_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"aaaf244fe54c131a25619411cbfba16b31b8d39687ba39508e9731a69ccb0874"},{"citation":"Idaho Code 37-2701(u)","title":"Definitions - Marijuana; Industrial Hemp exclusion and THC presumption clause","official_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2701/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-18","text_hash":"cd7cb4bcca3264af4b3e8d8d47f840d2ac63b10670f40aaef53e9f15768058cd"},{"citation":"Idaho Code 37-2705(d)(29)","title":"Schedule I","official_url":"https://legislature.idaho.gov/statutesrules/idstat/title37/t37ch27/sect37-2705/","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"b19b8b8a61d2e2f457522f46825c8c629505bfbfdf8c8b04a7fcf84f2d02588f"}]}