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    25C-NB3OMe molecular structure

    25C-NB3OMe Stats & Data

    30c-nbome 2c-c-nb3ome Nb3ome-2c-c 25c-nb345ome
    NPS DataHub
    MW395.88
    FormulaC20H26ClNO5
    CAS1445574-98-0
    IUPAC2-(4-chloro-2,5-dimethoxyphenyl)-N-[(3,4,5-trimethoxyphenyl)methyl]ethanamine
    SMILESCOc1cc(CCNCc2cc(OC)c(OC)c(OC)c2)c(OC)cc1Cl
    InChIKeyZQYYVTABADQBTJ-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 Psychedelic
    Half-Life No human pharmacokinetic data found; clinical duration 4–10 h (route‑dependent) reported across NBOMe class.

    Effect Profile

    Curated
    Psychedelic 6.0

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

    Visual Intensity×3
    9
    Headspace Depth×3
    4
    Auditory Effects×1
    8
    Body Load / Somatic Effects×1
    9

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    No human pharmacokinetic data found; clinical duration 4–10 h (route‑dependent) reported across NBOMe class.
    Addiction Potential
    Generally considered non-addictive with very low compulsive‑use liability. Psychological habituation is possible if used frequently.

    Tolerance Decay

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

    Patterns extrapolated from classical psychedelic tolerance; individual variability is high. Repeated high‑frequency use may cause prolonged after‑effects or HPPD‑like symptoms as reported anecdotally.

    Cross-Tolerances

    LSD
    60% ●○○
    2C-series phenethylamines
    50% ●○○
    other NBOMe/NBOH psychedelics
    80% ●●○

    Harm Reduction

    drugs.wiki

    • Potent sub‑milligram psychedelic; overdose risk is elevated because small measurement errors can equal many active doses. Use volumetric dosing rather than attempting to weigh powder; a 0.001 g scale is not adequate for single‑dose measurement. Keep clearly labeled solutions and avoid ‘drops to tongue’.

    • NBOMe-class compounds (including NB3OMe analogues) are commonly taken buccally/sublingually or intranasally; swallowing alone often yields little or delayed effect due to first‑pass metabolism. Allergy test 50–100 µg buccal, then wait at least 2 h before any increase.

    • Insufflation accelerates onset but increases risks of hypertension, severe vasoconstriction, agitation, seizures, and unpredictable behavior; several NBOMe emergencies follow intranasal overdosing. Avoid re‑dosing during the come‑up.

    • Mis‑sold LSD risk: NBOMes have frequently appeared on blotter; LSD is usually tasteless while NBOMes are often distinctly bitter and cause local oral numbness. Always test suspected ‘LSD’ with an Ehrlich reagent (LSD turns purple; NBOMes do not). TLC/GC‑MS drug checking is ideal.

    • Physiological risks to watch for include marked peripheral vasoconstriction (cold, tingling, blue fingers/toes), tachycardia, hypertension, hyperthermia, and—at high doses—confusion/delirium and seizures. If chest pain, severe confusion, or blue/numb extremities persist, seek urgent medical care and state that an NBOMe‑type psychedelic may be involved; do not drive.

    • Manage vasoconstriction conservatively: keep warm, avoid nicotine/other stimulants, hydrate with electrolytes, rest; do not attempt to self‑medicate BP with random drugs. Agitation or panic is typically managed with quiet environment and, if available and appropriate, a known benzodiazepine ‘rescue’ dose—avoid alcohol.

    • Set/setting: have a trusted sober sitter, especially for first trials. Avoid strenuous activity and hot environments due to hyperthermia risk. Insomnia after-effects are common; plan 24–48 h before resuming driving or safety‑critical tasks.

    • Cross‑tolerance with classic psychedelics is expected; leave 10–14 days between strong sessions to reduce tolerance and compulsive redosing pressure.

    • Oral/buccal potency and blotter loading can vary widely between batches for this class; start low each new source.

    • Avoid combining with serotonergic poly‑drug stacks (e.g., MDMA plus stimulants) given seizure and hyperthermia reports in the NBOMe class.

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