Buy 4-HO-DPT Fumarate – Premium Research Chemical | euro-labchems.com
Buy 4-HO-DPT Fumarate (4-Hydroxy-N,N-dipropyltryptamine fumarate) CAS Number: 63038-90-2 (freebase reference) Molecular Formula: C₁₄H₂₀N₂O • C₄H₄O₄ Molecular Weight: 376.41 g/mol Purity: ≥98.5% (HPLC verified) Appearance: White to off-white crystalline powder Form: Fumarate salt – non-hygroscopic, superior stability & solubility Quantity options: 0.5 g, 1 g, 2 g, 5 g, 10 g+ Shipping: Discreet worldwide, vacuum-sealed packaging
euro-labchems.com supplies high-purity 4-HO-DPT Fumarate – the active 4-hydroxy metabolite and direct analog of DPT (N,N-dipropyltryptamine). Known as 4-hydroxy-N,N-dipropyltryptamine or dipropylhydroxytryptamine, 4-HO-DPT is a classic serotonergic psychedelic tryptamine first synthesized in the 1960s and referenced in tryptamine literature for its potent effects.
What is 4-HO-DPT Fumarate?
4-HO-DPT acts primarily as a 5-HT₂A receptor agonist, producing classic tryptamine psychedelic effects. The fumarate salt ensures excellent handling, long-term stability, and precise dissolution for neuropharmacological and behavioral studies on tryptamine psychedelics.
Key Product Specifications
- Purity: ≥98.5% (third-party HPLC)
- Salt form: Fumarate (non-hygroscopic, stable)
- Solubility: Highly soluble in water/ethanol
- Stability: 2+ years sealed, cool/dark storage
- Full CoA provided on request
Research Effects & Characteristics
Duration: 4–8 hours Onset: 20–60 minutes Peak: 1.5–4 hours
Analog literature describes effects similar to DPT / psilocin: intense open- and closed-eye visuals (geometric patterns, vivid colors), euphoria, introspection, conceptual thinking, strong auditory enhancement, synesthesia, body load, and potential mystical or dissociative qualities at higher doses. Frequently noted as more visual, “electric,” and headspace-heavy than 4-HO-DMT, with pronounced emotional depth.
Possible side effects (dose-dependent): nausea (come-up), increased heart rate/blood pressure, anxiety/paranoia in unsuitable settings, insomnia, appetite suppression, rare persisting perceptual changes (HPPD-like).
4-HO-DPT Fumarate is sold strictly for scientific research – not for human/veterinary use. Verify local regulations.
Premium 4-HO-DPT Fumarate for precise tryptamine research from euro-labchems.com – your trusted specialist.




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