Buy 4-HO-MET Fumarate is a high-purity research chemical (available in powder or pellet form). Laboratories and researchers use it to study tryptamine pharmacology, 5-HT₂A receptor activation, and psychedelic structure-activity relationships.
What is 4-HO-MET?
4-HO-MET (4-Hydroxy-N-methyl-N-ethyltryptamine), also known as Metocin, is a synthetic psychedelic tryptamine. It is the active metabolite of 4-AcO-MET and structurally very close to psilocin (4-HO-DMT). First synthesized by Alexander Shulgin, it is known for producing rich visual effects with a relatively clear and euphoric headspace. Sold strictly for laboratory and research purposes only.
Chemical Properties of Buy 4-HO-MET Fumarate
- IUPAC Name: 3-[2-[Ethyl(methyl)amino]ethyl]-1H-indol-4-ol
- CAS Number: 77872-41-4 (free base)
- Molecular Formula: C₁₃H₁₈N₂O (free base)
- Molar Mass: 218.30 g/mol (free base)
- Salt Form: Fumarate salt (for improved stability and solubility)
- Appearance: White to off-white or beige crystalline powder
- Solubility: Fumarate salt offers good water solubility
- Key Features: 4-hydroxy indole tryptamine with N-methyl-N-ethyl side chain.
Effects (Research Observations)
4-HO-MET acts primarily as a 5-HT₂A receptor agonist. Reported research observations include:
- Strong visual effects (color enhancement, geometric patterns, fractals, tracers)
- Euphoria, mood elevation, and enhanced sensory perception
- Relatively clear-headed psychedelic experience with lighter mental load
- Onset: 20–60 minutes (oral)
- Duration: 4–6 hours
Important Note: These are not approved medical effects. Risks include nausea, anxiety, psychological distress, increased heart rate, and challenging experiences at higher doses. Strictly for research use only — not for human consumption.
Legality of Buy 4-HO-MET Fumarate
4-HO-MET exists in a controlled or gray-area status in most regions:
- United States: Unscheduled federally but may fall under the Federal Analogue Act
- United Kingdom: Class A / Psychoactive Substances Act
- Germany / EU: Often restricted under NPS legislation
- Canada / Australia: Controlled under analog tryptamine laws
Always verify current local laws before any purchase or handling. Vendors sell it exclusively for laboratory/research purposes.
Buy 4-HO-MET Fumarate from trusted research chemical suppliers offering lab-tested, high-purity products with discreet shipping and compliance documentation.




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