Home
    Disclaimer
    Eutylone molecular structure

    Eutylone Stats & Data

    Euty Bk-ebdb N-ethylbutylone
    NPS DataHub
    MW235.28
    FormulaC13H17NO3
    CAS802855-66-9
    IUPAC1-(1,3-benzodioxol-5-yl)-2-(ethylamino)butan-1-one
    SMILESCCNC(CC)C(=O)c1ccc2OCOc2c1
    InChIKeyYERSNXHEOIYEGX-UHFFFAOYSA-N
    Phenethylamines; Cathinones; 2020/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2021/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2022/1. Von 2-Phenethylamin abgeleitete Verbindungen
    Chemical Class Cathinone
    Psychoactive Class Stimulant
    Half-Life Unknown in humans; functional effects can persist long after peak. Users often report 12–24 h of residual stimulation/insomnia.

    Receptor Profile

    Receptor Actions

    Inhibitors
    Dopamine reuptake inhibitor
    Norepinephrine reuptake inhibitor
    Other
    Serotonin releasing agent (partial)

    History & Culture

    Eutylone was originally developed during the 1960s, though it remained obscure for decades before entering recreational drug markets. The compound was first reported to the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) in 2014, marking its initial appearance as a novel psychoactive substance. The substance gained significant international prevalence during 2019-2020, a surge largely attributed to regulatory actions against the structurally related compound ephylone. As ephylone became increasingly scheduled across multiple jurisdictions, eutylone emerged as a substitute within designer drug markets. By 2021, eutylone had become the most frequently identified synthetic cathinone by the United States Drug Enforcement Administration, reflecting its rapid rise to prominence within this drug class. The compound has notably been associated with instances of mis-selling, particularly being distributed as MDMA to unsuspecting consumers.

    Effect Profile

    Curated + 2 Reports
    Empathogen 5.6

    Moderate stimulation and euphoria with mild empathy and sensory enhancement

    Empathy / Social Openness×3
    5
    Euphoria / Mood Elevation×2
    6
    Stimulation×1
    7
    Sensory Enhancement×1
    5
    Stimulant 4.4

    Strong anxiety/jitters with moderate euphoria, mild stimulation, low focus

    Stimulation / Energy×3
    5
    Euphoria / Mood Lift×2
    7
    Focus / Productivity×2
    3
    Anxiety / Jitters×1
    10

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Unknown in humans; functional effects can persist long after peak. Users often report 12–24 h of residual stimulation/insomnia.
    Addiction Potential
    Moderate to high: stimulant entactogens may drive compulsive redosing; protracted residual stimulation and dysphoria can reinforce binges.

    Tolerance Decay

    Full tolerance 2d Half tolerance 5d Baseline ~14d

    Estimates reflect stimulant-style acute tolerance and mood depletion based on user reports; robust human PK/tolerance datasets are lacking. Space uses by several weeks for recovery, especially sleep and mood.

    Cross-Tolerances

    Other substituted cathinones (e.g., methylone, pentylone)
    50% ●○○
    Amphetamines (partial)
    30% ●○○

    Experience Report Analysis

    Erowid
    2 Reports
    2021–2024 Date Range

    Demographics

    Gender Distribution

    Reports Over Time

    Harm Reduction

    drugs.wiki

    Eutylone has repeatedly turned up as a mis-sold substitute for MDMA in real-world markets; visual similarity and overlapping early effects can mislead users—drug checking is essential before use. Reported experiences emphasize that euphoria may be brief while residual stimulation and insomnia can last many hours, increasing temptation to redose and raising harm. Reagent testing can help flag non‑MDMA cathinones: compared to MDMA’s classic Marquis purple/black, cathinones like eutylone may show weak yellow/orange reactions and can fizz; confirm with multiple reagents and, where available, use spectroscopy-based drug checking. Oral dosing is generally gentler and longer than insufflation; nasal use is commonly reported as painful with harsh drip and more compulsive redosing. Avoid redosing late in the session—each top‑up tends to extend insomnia and exacerbate anxiety/headache rather than restore early euphoria. As with other stimulants, overheating and dehydration are risks in warm or high-exertion settings; take breaks, stay cool, and sip fluids regularly without overhydrating. Combining with MAOIs or stacking multiple stimulants/serotonergics materially increases risks (hypertension, hyperthermia, serotonin toxicity, seizures). If severe agitation, chest pain, confusion, very high temperature, or persistent vomiting occur, seek urgent medical care and be honest about substances taken. Post‑use aftercare (food with carbs/protein, electrolytes, sleep hygiene, and a low‑stimulation environment) can soften the comedown; consider spacing use by several weeks to allow sleep and mood to normalize. People with cardiovascular disease, hypertension, seizure history, or anxiety disorders appear at elevated risk and should avoid use.

    ← Back to Eutylone