Home
    Disclaimer
    4-AcO-MiPT molecular structure

    4-AcO-MiPT Stats & Data

    Mipracetin O-acetylmiprocin 4acomipt
    Chemical Class Phenethylamine
    Psychoactive Class Psychedelic

    Receptor Profile

    Receptor Actions

    Agonists
    5-HT2A receptor partial agonist
    5-HT2B receptor partial agonist
    5-HT2C receptor partial agonist (prodrug of 4-HO-MiPT)

    History & Culture

    4-AcO-MiPT is a synthetic psychedelic tryptamine that remains relatively obscure within the broader landscape of psychoactive substances. Unlike many classical psychedelics with decades of documented use, this compound has accumulated very little history of human consumption and minimal scientific literature regarding its effects in humans. The substance emerged as part of the broader wave of novel tryptamine derivatives that became available through online research chemical vendors in the early 2000s. While analytical methods have been developed for its detection in forensic and research contexts, comprehensive pharmacological studies remain lacking. Today, 4-AcO-MiPT is primarily acquired through grey market vendors and is used either recreationally or as an entheogenic tool by a small community of psychedelic enthusiasts.

    Effect Profile

    Curated + 3 Reports
    Psychedelic 9.8

    Strong visuals, headspace, and auditory effects with low body load

    Visual Intensity×3
    10
    Headspace Depth×3
    10
    Auditory Effects×1
    10
    Body Load / Somatic Effects×1
    2
    Empathogen 2.7

    Strong sensory enhancement with mild stimulation, low euphoria

    Empathy / Social Openness×3
    0
    Euphoria / Mood Elevation×2
    2
    Stimulation×1
    5
    Sensory Enhancement×1
    10

    Duration Timeline

    Bluelight
    Onset Comeup Peak Offset After Effects
    Oral
    19 minutes - 1.0 hours
    1-2 hours
    1.5-3 hours
    1-2 hours
    2-4 hours
    Smoked
    1-1 minutes
    1.0-2.0 hours

    Tolerance & Pharmacokinetics

    drugs.wiki

    Tolerance Decay

    Full tolerance 1h Half tolerance 10d Baseline ~14d

    Cross-Tolerances

    LSD
    80% ●○○
    Psilocybin
    85% ●○○
    Psilocin
    85% ●○○
    Mescaline
    65% ●○○
    DMT
    85% ●○○
    5-MeO-DMT
    85% ●○○
    2C-B
    65% ●○○
    2C-E
    65% ●○○

    Experience Report Analysis

    Erowid
    3 Reports
    2009–2019 Date Range
    3 With Age Data
    2 Effects Detected

    Demographics

    Gender Distribution

    Age Distribution

    Reports Over Time

    Effect Analysis

    Erowid

    Effects aggregated from 3 experience reports (3 Erowid)

    3 Reports
    2 Effects Detected
    2 Positive
    0 Adverse
    0 Neutral

    Effect Sentiment Distribution

    Confidence Distribution

    Positive Effects 2

    Euphoria 100.0% 70%
    Music Enhancement 100.0% 70%

    Adverse Effects 0

    Real-World Dose Distribution

    62K Doses

    From 37 individual dose entries

    Oral (n=35)

    Median: 16.0mg 25th: 8.5mg 75th: 20.0mg 90th: 24.2mg
    mg/kg median: 0.226 mg/kg 75th: 0.284

    Legal Status

    Country Status Notes
    Finland Illegal Banned in December 2014 as part of a government regulation prohibiting over 100 psychoactive substances with no accepted medical use.
    Germany NpSG (Controlled) Controlled under the Neue-psychoaktive-Stoffe-Gesetz (New Psychoactive Substances Act) since July 18, 2019. Production, import with intent to market, administration to others, and trading are criminal offenses. Possession is prohibited but not subject to criminal penalties. Ordering may be considered incitement to place on the market.
    Japan Controlled Substance Designated as a controlled substance effective March 25, 2015 under Japanese drug control legislation.
    Sweden Illegal (Health Hazard) Classified as a health hazard under the Lagen om förbud mot vissa hälsofarliga varor (Act on the Prohibition of Certain Goods Dangerous to Health) since November 1, 2005. Listed in regulation SFS 2005:733, making both possession and sale illegal.
    Switzerland Potentially Illegal May be considered illegal under Buchstabe B of Swiss drug legislation as an ester analogue of 4-HO-MiPT, which is a controlled substance. Legal status depends on analogue interpretation.
    United Kingdom Class A Controlled as a Class A substance because it is an ester of 4-HO-MiPT, which falls under the tryptamine catch-all clause of the Misuse of Drugs Act 1971. Class A carries the most severe penalties under UK law.
    United States Unscheduled (Federal Analogue Act may apply) Not specifically scheduled under the Controlled Substances Act. However, it may be considered an analogue of psilocin (4-HO-DMT), a Schedule I substance. Sale for human consumption or possession with intent to ingest could potentially be prosecuted under the Federal Analogue Act, though no such prosecutions have been documented.
    ← Back to 4-AcO-MiPT