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    3-CAF molecular structure

    3-CAF Stats & Data

    3-chloroamphetamine
    NPS DataHub
    MW382.39
    FormulaC24H15FN2O2
    IUPACnaphthalen-2-yl 1-(2-fluorophenyl)indazole-3-carboxylate
    SMILESFc1ccccc1n1nc(C(=O)Oc2ccc3ccccc3c2)c2ccccc12
    InChIKeyVBZWFDNXUJTAGG-UHFFFAOYSA-N
    Cannabinoids; 2020/2.1 Von Indol Pyrazol und 4-Chinolon abgeleitete Verbindungen; 2021/2.1 Von Indol Pyrazol und 4-Chinolon abgeleitete Verbindungen; 2022/2.1 Von Indol Pyrazol und 4-Chinolon abgeleitete Verbindungen
    Chemical Class Amphetamine
    Psychoactive Class Psychedelic / Stimulant
    Half-Life ~4-6 h (estimated from rodent data; no human PK published)

    Effect Profile

    Curated
    Psychedelic 2.8

    Mild visuals with low body load and headspace

    Visual Intensity×3
    4
    Headspace Depth×3
    1
    Auditory Effects×1
    0
    Body Load / Somatic Effects×1
    3
    Empathogen 4.1

    Moderate stimulation and sensory enhancement with low empathy and euphoria

    Empathy / Social Openness×3
    3
    Euphoria / Mood Elevation×2
    3
    Stimulation×1
    7
    Sensory Enhancement×1
    7
    Stimulant 4.5

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

    Stimulation / Energy×3
    6
    Euphoria / Mood Lift×2
    5
    Focus / Productivity×2
    3
    Anxiety / Jitters×1
    8

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    ~4-6 h (estimated from rodent data; no human PK published)
    Addiction Potential
    Moderate. As with other serotonin-, dopamine- and noradrenaline-releasing amphetamines, repeated use can lead to psychological dependency, sleep deprivation and compulsive redosing. Limited data exist; avoid multi-day binges.

    Tolerance Decay

    Full tolerance 2d Half tolerance 7d Baseline ~30d

    Based on general entactogen/stimulant patterns: acute tolerance develops within a session; partial tolerance persists days to weeks, decaying roughly over 2–6 weeks depending on use intensity, sleep, and nutrition.

    Cross-Tolerances

    MDMA
    50% ●○○
    MDA
    50% ●○○
    5‑APB/6‑APB
    50% ●○○
    Mephedrone (4‑MMC)
    40% ●○○

    Harm Reduction

    drugs.wiki

    3‑CAF is a positional isomer of the neurotoxic para‑chloroamphetamine (PCA); animal literature on PCA shows profound, long‑lasting serotonergic depletion, hence caution is warranted when experimenting with any chloro‑substituted amphetamine despite sparse human data on 3‑CAF. Human use reports for 3‑CAF are scarce; subjective effects are described as ‘MDMA‑lite’ empathy plus typical amphetamine stimulation with relatively clean headspace. Because of monoamine release, hyperthermia, jaw clenching/bruxism, tachycardia and insomnia are common at higher doses; plan cool‑down breaks and avoid hot, crowded venues. Hydration should be moderate and include electrolytes (e.g., ~250–500 mL per hour while dancing, less at rest); over‑hydration can cause hyponatremia—sip rather than chug and include salts. Due to overlapping serotonergic mechanisms, combinations with MAOIs, DXM, tramadol, lithium, triptans, St John’s wort, 5‑HTP or other serotonergic releasers greatly increase serotonin syndrome risk; stop use and seek medical help if clonus, agitation, hyperthermia, or confusion occur. Many amphetamines (and MDMA) are CYP2D6 substrates; potent CYP2D6 inhibitors (e.g., fluoxetine, paroxetine, bupropion) may increase exposure and side‑effects—dose conservatively and avoid redosing. Reagent tests cannot reliably distinguish positional isomers; GC/MS‑based drug checking is strongly recommended to exclude para‑chloroamphetamines (PCA/4‑CMA) which have been reported in the market and are strongly serotonergic‑neurotoxic. Space sessions by at least 4 weeks to limit tolerance and potential serotonergic stress; avoid multi‑day binges and sleep deprivation. Always weigh doses on a 0.001 g (milligram) scale; consider an initial 1–2 mg allergy test due to unknown individual sensitivity. Avoid driving/heavy machinery during effects and for several hours after due to residual stimulation and sleep loss.

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