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    MDMPEA molecular structure

    MDMPEA Stats & Data

    Mk-71 Homarylamine N-methylhomopiperonylamine
    NPS DataHub
    MW179.22
    FormulaC10H13NO2
    CAS451-77-4
    IUPAC2-(1,3-benzodioxol-5-yl)-N-methylethanamine
    SMILESCNCCc1ccc2OCOc2c1
    InChIKeyOPJOMVMFYOUDPK-UHFFFAOYSA-N
    Phenethylamines; 2020/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2021/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2022/1. Von 2-Phenethylamin abgeleitete Verbindungen
    Chemical Class Phenethylamine
    Psychoactive Class Stimulant
    Half-Life Unknown in humans; by analogy to phenethylamine, rapid MAO‑B metabolism suggests a plasma/brain half‑life on the order of minutes without MAO inhibition.

    Effect Profile

    Curated
    Empathogen 5.4

    Strong euphoria with moderate stimulation and sensory enhancement, low empathy

    Empathy / Social Openness×3
    2
    Euphoria / Mood Elevation×2
    9
    Stimulation×1
    7
    Sensory Enhancement×1
    7
    Stimulant 5.1

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

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

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Unknown in humans; by analogy to phenethylamine, rapid MAO‑B metabolism suggests a plasma/brain half‑life on the order of minutes without MAO inhibition.
    Addiction Potential
    Unknown; likely low-to-moderate. Very short duration may prompt compulsive redosing within a session, which increases acute risk and post-use dysphoria. Long-term dependence liability is unclear.

    Tolerance Decay

    Full tolerance 8h Half tolerance 3d Baseline ~14d

    Acute tachyphylaxis and post‑use depletion are plausible with repeated dosing in one session; multi‑day spacing is prudent. Data quality is low/anecdotal.

    Cross-Tolerances

    Other phenethylamine stimulants (e.g., amphetamines)
    30% ●○○

    Harm Reduction

    drugs.wiki

    • Metabolism rationale: Primary and secondary phenethylamines (like PEA) are preferentially degraded by MAO‑B; without MAOI, central effects are brief or absent. This implies any activity from MDMPEA is likely short and dose‑inefficient, with MAOIs dramatically and unpredictably increasing potency and duration. Evidence for MDMPEA in humans is lacking; harm reduction should assume high uncertainty.

    • MAOI risk: Combining phenethylamines with MAOIs can precipitate hypertensive crises, hyperthermia, agitation, and serotonin toxicity; irreversible MAOI effects can persist for weeks after stopping. Therefore, avoid MDMPEA for at least 14 days after irreversible MAOIs and several days after reversible MAOIs/RIMAs.

    • Redosing hazard: Short-acting stimulants foster repeated dosing within hours, increasing cardiovascular strain and worsening post‑use mood/crash; multiple community reports of PEA+MAOI show rapid cycles and harsh comedowns. Plan a hard stop time and avoid chasing diminishing returns.

    • Route risks: Nasal administration of phenethylamines tends to be more irritating, with sharper onsets, more side effects, and greater risk of dosing errors; long‑standing HR advice favors oral over nasal for phenethylamines. Unknowns magnify these risks for MDMPEA.

    • Purity & identification: As an analytical standard/obscure compound, retail samples may be misidentified or adulterated. Use accredited drug checking services when possible; reagent kits cannot confirm identity or dose.

    • Health screening: Avoid entirely with cardiovascular disease, uncontrolled hypertension, hyperthyroidism, seizure history, or use of serotonergic or adrenergic medications. Monitor temperature, exertion, and hydration as with other stimulants.

    • Legal uncertainty: Legal status is unclear and jurisdiction‑specific. Treat as a research chemical that may fall under analogue/catch‑all controls; do not assume legality.

    • Practical HR: If ignoring the absence of data, use milligram‑accurate scales, perform allergy tests, space attempts by weeks, and never combine with MAOIs. Have a trusted sober sitter for first trials and avoid mixing with other stimulants or serotonergics.

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