Beta test rollout. This site is in community QA — please send feature requests, bug reports and data corrections on the Feedback page or on GitHub.

Home
    Disclaimer
    3-MeO-PCE molecular structure

    3-MeO-PCE Stats & Data

    Methoxieticyclidine Methoxyieticyclidine 3meopce
    NPS DataHub
    MW233.35
    FormulaC15H23NO
    CAS1364933-80-1
    IUPACN-ethyl-1-(3-methoxyphenyl)cyclohexan-1-amine
    SMILESCCNC1(CCCCC1)c1cccc(OC)c1
    InChIKeyOFGOOZLOGUNDFS-UHFFFAOYSA-N
    Arylcyclohexylamines
    Chemical Class Arylcyclohexylamine
    Psychoactive Class Dissociative

    Receptor Profile

    Receptor Actions

    Agonists
    sigma-1 receptor agonist
    sigma-2 receptor agonist
    Antagonists
    NMDA receptor antagonist (noncompetitive)
    Inhibitors
    serotonin reuptake inhibitor

    Receptor Binding

    NMDA antagonist

    History & Culture

    3-MeO-PCE emerged on the online research chemical market around 2010, where it was marketed as a grey-area legal alternative to controlled dissociatives such as PCP and ketamine. The compound represents part of the broader wave of designer arylcyclohexylamines that became available through online vendors during this period. Very little formal research exists regarding this substance, and it has a notably brief history of documented human usage. Its emergence drew regulatory attention alongside related compounds, with the UK's Advisory Council on the Misuse of Drugs specifically mentioning 3-MeO-PCE in their October 2012 report on methoxetamine, which recommended control of analogous arylcyclohexylamines.

    Toxicity

    PsychonautWiki

    The toxicity and long-term health effects of recreational 3-MeO-PCE use do not seem to have been studied in any scientific context and the exact toxic dosage is unknown. This is because 3-MeO-PCE has very little history of human usage.

    Effect Profile

    Curated + 11 Reports
    Dissociative 6.0

    Strong dissociative depth with strong mania and motor impairment, moderate insight

    Dissociative Depth×3
    10
    Mania / Compulsion×1
    10
    Insight / Novel Thought×2
    6
    Motor / Sensory Impairment×1
    10

    Duration Timeline

    Bluelight
    Onset Comeup Peak Offset After Effects
    Oral
    30 minutes - 1.5 hours
    1-2 hours
    2-3 hours
    1-2 hours
    4-48 hours
    Total: 3-5 hours
    Insufflated
    3-15 minutes
    45 minutes - 1.5 hours
    1.5-2 hours
    45 minutes - 1.0 hours
    4-48 hours
    Total: 3-5 hours

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Unknown in humans; functional effects typically last hours with after-effects into next day.
    Addiction Potential
    Habit-forming; repeated and multi-day use can produce compulsive redosing and psychological dependence. Tolerance develops rapidly with frequent use.

    Tolerance Decay

    Full tolerance 3d Half tolerance 7d Baseline ~14d

    Anecdotal pattern: rapid tolerance build with consecutive-day use; partial recovery over 1–2 weeks, baseline in ~2–4 weeks. Cross-tolerance across arylcyclohexylamines is commonly reported. Data quality: anecdotal.

    Cross-Tolerances

    Other arylcyclohexylamines (e.g., 3-MeO-PCP, ketamine, PCP)

    Experience Report Analysis

    Erowid
    24 Reports
    11 Single-substance
    2010–2024 Date Range
    23 With Age Data
    17 Effects Detected

    Demographics

    Gender Distribution

    Age Distribution

    Reports Over Time

    Effect Analysis

    Erowid

    Effects aggregated from 11 experience reports (11 single-substance Erowid)

    11 Reports
    17 Effects Detected
    7 Positive
    5 Adverse
    5 Neutral

    Effect Sentiment Distribution

    Confidence Distribution

    Each bar is the share of reports mentioning the effect; its whisker, and the band on the rows below, is the 95% interval: where the share could plausibly be with other reports of the same kind.

    Too few reports for bars: these effects come from 11 single-substance Erowid reports, and a bar is drawn only from 20 reports or more. With fewer, a percentage cannot tell a common effect from a rare one. Counts are shown instead. Why 20?

    Positive Effects 7

    Stimulation 8 of 11 70%
    Euphoria 7 of 11 70%
    Music Enhancement 6 of 11 70%
    Color Enhancement 4 of 11 70%
    Empathy 4 of 11 70%
    Body High 3 of 11 70%
    Tactile Enhancement 3 of 11 70%

    Adverse Effects 5

    Anxiety 6 of 11 70%
    Confusion 4 of 11 70%
    Motor Impairment 3 of 11 70%
    ⚠ Psychosis 3 of 11 70%
    Headache 3 of 11 70%
    Show 5 neutral or unclassified mentions
    Dissociation 7 of 11
    Visual Distortions 5 of 11
    Auditory Effects 4 of 11
    Sedation 4 of 11
    Ego Dissolution 3 of 11

    Also reported in combinations. In the 13 3-MeO-PCE reports where another drug was taken too, 3 mention hospital, emergency services or an overdose, 1 a seizure and 4 psychosis (too few reports for percentages). In the 11 single-substance reports: 0, 0 and 3. These are not in the figures above: they cannot be put down to 3-MeO-PCE alone, and a mention is not always something that happened to the writer.

    Real-World Dose Distribution

    Erowid

    From 75 of 78 recorded dose entries: those that state a weight (mg, g or µg), in routes with at least five of them. Values above Q3 + 3×IQR, far above what people typically take, are left out; they can include real heavy doses and overdoses, not only mistakes.

    Rectal (n=29)

    Median: 15.0mg 25th: 15.0mg 75th: 17.0mg 90th: 20.0mg

    Oral (n=18)

    Median: 15.5mg 25th: 7.0mg 75th: 19.0mg 90th: 20.0mg

    Insufflated (n=26)

    Median: 15.0mg 25th: 10.0mg 75th: 15.75mg 90th: 25.0mg

    Common Combinations

    Most co-occurring substances, as a share of all 24 reports filed under 3-MeO-PCE; whiskers are 95% intervals

    Form / Preparation

    Most common forms and preparations, as a share of the 20 reports that give one; whiskers are 95% intervals

    Body-Weight Dosing

    Dose per kg of body weight, one dose per report (the first listed), from reports giving a weight of 30–250 kg. Doses above Q3 + 3×IQR, far above what people typically take, are left out of the median and range and listed under each route.

    Median: 0.273 mg/kg IQR: 0.189–0.441 mg/kg n=9

    Redose Patterns

    Redosing behavior across 21 reports

    38.1% (95% interval 21 to 59 percent) Redosed
    1.6 Avg Doses
    110m Median Interval

    Legal Status

    Country Status Notes
    Chile Illegal Controlled under Ley de drogas (Ley 20000). As an ether of PCE, 3-MeO-PCE falls under the law's prohibition of all esters and ethers of PCE.
    Germany NpSG (Controlled) Controlled under the Neue-psychoaktive-Stoffe-Gesetz (New Psychoactive Substances Act) since July 18, 2019. Production, import for market distribution, administration to others, and trading are punishable offenses. Possession is prohibited but not subject to criminal penalty.
    Sweden Illegal Classified as a controlled substance. Possession, production, and distribution are prohibited under national drug legislation.
    Switzerland Verzeichnis E Specifically named as a controlled substance under Verzeichnis E of Swiss narcotics legislation.
    Turkey Illegal Classified as an illegal drug under national legislation. Possession, production, supply, and import are prohibited offenses.
    United Kingdom Class B Controlled under the Misuse of Drugs Act 1971. Covered by the arylcyclohexylamine generic clause added via S.I. 2013/239, effective February 26, 2013. This clause encompasses N-alkyl derivatives of 1-phenylcyclohexylamine with alkoxy substitution in the phenyl ring. Possession, production, supply, and import are illegal.

    Harm Reduction

    drugs.wiki

    3-MeO-PCE is a potent arylcyclohexylamine NMDA antagonist with stimulating dissociation; onset is faster and intranasal effects are steeper than oral, which raises the risk of overdoing early redoses. Multi-day or high-dose use has been repeatedly associated (anecdotally and in community reports) with hypomania/mania, paranoia, and psychosis; avoid consecutive-day use and keep doses spaced by at least several days. Combining with central nervous system depressants—especially alcohol, opioids, or GHB—markedly raises risks of dangerous sedation, impaired airway reflexes, and accidents; many emergency data show alcohol+benzo/opioid synergy and dissociatives independently impair coordination. Benzodiazepines are sometimes used medically to manage agitation in emergencies, but using them recreationally with dissociatives increases blackout, fall, and respiratory risks; avoid this mix. Stimulants (including prescription ADHD meds) can aggravate cardiovascular strain and manic thinking during dissociatives; if already on stimulants, avoid redosing/stacking. Chronic heavy dissociative use (best-characterized with ketamine) is linked to cystitis-like urinary and biliary complications; though specific 3-MeO-PCE data are limited, monitor for urinary urgency, pain, or hematuria and reduce/stop use if they appear. Strongly consider drug checking (FTIR/GC–MS) when available; dissociatives are frequently mis-sold or misidentified in the unregulated market, and mislabeled ketamine-class powders are documented. Because of high potency and batch variability, perform an allergy test (1–2 mg), use precise measurement, and consider volumetric dosing. For nasal use, grind finely, use small test lines, and rinse with isotonic saline before/after to reduce mucosal irritation. Do not drive or engage in hazardous tasks for at least the rest of the day after dosing; residual impairment may persist. People with a personal or family history of psychosis or bipolar spectrum conditions should be particularly cautious or avoid use.

    ← Back to 3-MeO-PCE