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    2C-P-NBOMe molecular structure

    2C-P-NBOMe Stats & Data

    NPS DataHub
    MW343.47
    FormulaC21H29NO3
    CAS1391489-07-8
    IUPAC2-(2,5-dimethoxy-4-propylphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine
    SMILESCCCc1cc(OC)c(CCNCc2ccccc2OC)cc1OC
    InChIKeyQHEBYIJRKGDFGH-UHFFFAOYSA-N
    Phenethylamines
    Chemical Class N-benzylphenethylamine
    Psychoactive Class Psychedelic

    Effect Profile

    Curated
    Psychedelic 6.5

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

    Visual Intensity×3
    10
    Headspace Depth×3
    4
    Auditory Effects×1
    4
    Body Load / Somatic Effects×1
    4

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Unknown in humans. NBOMe clinical PK data are scarce; related 25X compounds produce 6–12 h effects with lingering after‑effects, implying active CNS exposure beyond peak but not defining elimination half‑life.
    Addiction Potential
    Low. Compulsive use appears uncommon for NBOMes; psychological habituation is possible with frequent use. Evidence base remains limited and largely anecdotal.

    Tolerance Decay

    Full tolerance 1d Half tolerance 7d Baseline ~14d

    As with serotonergic psychedelics, acute tolerance develops rapidly after a single session and decays over 1–2 weeks; cross‑tolerance within serotonergic psychedelics is expected. Estimates are anecdotal from NBOMe/2C‑x communities.

    Cross-Tolerances

    LSD
    Psilocybin
    Other NBOMes
    2C‑x phenethylamines
    DOx phenethylamines

    Harm Reduction

    drugs.wiki

    • Extreme potency: NBOMes are active at sub‑milligram doses; dosing errors of tens of micrograms can cause severe toxicity. Avoid eyeballing; use a 0.001 g (1 mg) scale and volumetric dosing. Erowid and TripSit emphasize microgram‑level potency and dosing caution for the NBOMe series.

    • Preferred ROA is buccal/sublingual; swallowed (oral) doses are often poorly active due to first‑pass metabolism, while insufflation/vaporization produce faster, harsher onsets and appear over‑represented in adverse events. Community sources consistently report poor oral activity and recommend buccal administration.

    • Medical risks: NBOMes have been linked to severe vasoconstriction, hypertension, agitation, seizures, and deaths at what users considered “normal” recreational doses; EU‑level risk assessment documented confirmed toxicities with 25I‑NBOMe and highlighted risks for the class. Seek urgent care for severe chest pain, bluish/cold extremities, or seizures.

    • Avoid combinations: TripSit categorizes NBOMes with stimulants (amphetamines/cocaine/MDMA) as unsafe due to additive cardiovascular strain and higher seizure risk; tramadol is unsafe (seizure threshold); MAOIs are caution due to potentiation and unpredictability; cannabis can unpredictably potentiate psychedelics.

    • Mis‑sold risk: NBOMes have frequently been sold as LSD or 2C‑B; use multiple reagents and do not rely on taste. If Ehrlich (indole) test is negative on blotter, LSD is unlikely; NBOMe often shows no Ehrlich reaction. Extract blotter into alcohol before testing to avoid paper/ink artefacts.

    • Reagent pointers: NBOMes can show yellow→green reactions with Marquis/Mecke/Mandelin depending on the specific 25X; they are typically Ehrlich negative (unlike LSD). Use a panel (e.g., Marquis, Mecke/Mandelin, Ehrlich) and interpret carefully.

    • Plan for a long experience and avoid redosing: plateaus can be protracted with lingering stimulation after visuals fade; redosing has precipitated anxiety and medical events in reports.

    • Form matters: substances may be sold as freebase or HCl, and some products are pre‑complexed (e.g., HPBCD) to increase mucosal absorption; bioavailability and potency can differ by preparation—dose conservatively.

    • Environment: due to stimulation and vasoconstriction, avoid overheating, heavy exertion, and additional vasoconstrictors (nicotine, high caffeine); maintain hydration with electrolytes but avoid overhydration. This is inferred harm‑reduction from reported adverse signs and TripSit stimulant‑combination cautions.

    • Emergency calming: benzodiazepines can reduce agitation and seizure risk but will largely abort the experience; combining recreationally is discouraged due to respiratory/CNS depression risks if other depressants are present. Use only with medical oversight or clear need. (Generalized from TripSit interaction notes and NBOMe case narratives.)

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