Buy 4B-MAR (4-Bromo-4-methylaminorex) is a high-purity research chemical powder. Laboratories and researchers use it to study stimulant pharmacology, monoamine release (dopamine, norepinephrine, serotonin), and structure-activity relationships of aminorex derivatives.
What is 4B-MAR?
4B-MAR (4-Bromo-4-methylaminorex) is a synthetic stimulant belonging to the aminorex class. It is a brominated derivative of 4-methylaminorex (4-MAR). It acts primarily as a releasing agent of dopamine, norepinephrine, and serotonin. It emerged on the research chemical market as a potent stimulant analog. Sold strictly for laboratory and research purposes only.
Chemical Properties of Buy 4B-MAR (4-Bromo-4-methylaminorex)
- IUPAC Name: 4-bromo-5-phenyl-4,5-dihydro-1,3-oxazol-2-amine (or related brominated 4-methylaminorex structure)
- Molecular Formula: C₁₀H₁₁BrN₂O
- Molar Mass: 255.11 g/mol
- Appearance: White to off-white crystalline powder
- Solubility: Soluble in organic solvents like ethanol or DMSO; limited in water
- Key Features: Bromine substitution at the 4-position increases potency and alters metabolic profile compared to 4-MAR.
Effects (Research Observations)
4B-MAR acts mainly as a monoamine releasing agent. Reported research observations include:
- Strong stimulation, increased energy, and alertness
- Enhanced focus, motivation, and mild euphoria
- Appetite suppression
- Onset: 15–45 minutes (oral)
- Duration: 4–8 hours
Important Note: These are not approved medical effects. Risks include elevated heart rate and blood pressure, anxiety, insomnia, vasoconstriction, overstimulation, and potential for psychological dependence or neurotoxicity. Strictly for research use only — not for human consumption.
Legality of Buy 4B-MAR (4-Bromo-4-methylaminorex)
4B-MAR exists in a controlled or gray-area status in many regions:
- United Kingdom: Class B (under the Psychoactive Substances Act)
- United States: Not federally scheduled in all references but may fall under the Federal Analogue Act or state laws
- Germany / EU: Often restricted under NPS legislation
- Canada / Australia: Controlled under analog or stimulant laws
Always verify current local laws before any purchase or handling. Vendors sell it exclusively for laboratory/research purposes.
Buy 4B-MAR (4-Bromo-4-methylaminorex) from trusted research chemical suppliers offering lab-tested, high-purity products with discreet shipping and compliance documentation.



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