4B-MAR (4B-4-MAR, 4B-MAR, 4-Bromo-4-methylaminorex) is a new designer stimulant developed as a replacement for aminorex and 4-methylaminorex and has a similar structure, except for the addition of 4-Bromo molecules. The action of 4B-MAR can be compared to that of methamphetamine; however, it is more long-lasting and pronounced, stimulating, increases performance, lack of sleep, euphoria, and enhances sexual drive. The toxicological properties of the drug have not been fully investigated, this substance has been submitted to chemical testing in specially equipped laboratories. This drug is currently approved in many countries, exceptions please ask the administrator or manager.

You can buy 4B-MAR online at biochemal.com now.


  • 4-Bromo-4-methylaminorex
  • 4B-4-MAR
  • 4-MAR
IUPAC   5-(4-bromophenyl)-4-methyl-4,5-dihydrooxazol-2-amine
Formula C10H11BrN2O
Molecular weight   255.12 g/mol
Appearance Crystalline solid
Purity ≥ 98 %
1 g.-
5 g.65 €
10 g.100 €
25 g.150 €
50 g.220 €
100 g.350 €
1 kg.1700 €


Why buy 4B-MAR online from biochemal.com?

• You buy a quality product at the best price, without intermediary markups.
• You are buying a tested product that has proven itself in the designer drugs market.
• You will receive a sealed aluminum foil bag containing 4B-MAR ≥98% pure.
• You can buy goods using Bitcoin (BTC), Litecoins (LTC), Ethereum (ETH), Bitcoin Cash (BCH), Western Union, Money Gram, Payeer (card payment).

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