Buy 4B-MAR Powder – 99% Pure | Research Chemical

4B-MAR (4′-Bromo-4-methylaminorex, 4′-Br-4-MAR) is a high-purity, laboratory-grade designer stimulant from the substituted aminorex family, supplied as crystalline powder for advanced analytical and scientific research. This product is strictly for research use only and not for human or animal consumption.

Key Product Details

Compliance & Safety

• For Research Use Only: Not for human or veterinary diagnostic or therapeutic use.

• REACH/CLP Compliant: Supplied in accordance with EU regulations.

• Handling: Use appropriate laboratory PPE (gloves, goggles); avoid inhalation, ingestion, or skin contact.

• Storage: Store at -20°C, tightly sealed, away from light and moisture.

• Hazards: Potent stimulant; handle with care to avoid accidental exposure. Toxicological and pharmacological profiles in humans are not fully characterized.

• Age Restriction: 18+ only.

Chemical & Analytical Information

• Class: Substituted aminorex, stimulant, 2-amino-5-aryloxazoline derivative.

• Structure: Features a bromine atom at the para (4′) position of the phenyl ring and a methyl group at the 4-position of the oxazoline ring23.

• Pharmacology: Believed to have stimulant effects, though specific pharmacological activity has not been reported in scientific literature2.

• Isomerism: Exists as trans diastereomers (4S,5S or 4R,5R configuration) as confirmed by NMR studies3.

• Analytical Features:

  • MS: [M+H]+ ion at m/z 255.0129 confirms molecular formula; isotopic pattern indicates presence of bromine3.

  • NMR: Distinctive chemical shifts for methyl and aromatic protons; purity by NMR integration found to be 90% in published research3.

  • Fragmentation: Main MS/MS fragment at m/z 212.0068 (loss of CONH), further loss of Br yields m/z 133.0887, and loss of NH₃ and Br yields m/z 116.06233.

• History: First definitively identified in Austria in January 202223.

Shipping & Delivery

• EU Delivery: 24–72 hours (tracked, discreet, no signature required)

• Worldwide Delivery: Up to 5 days, location-dependent

• Shipping Fee: Calculated at checkout based on destination

• Order Processing: Orders shipped within 4 hours of payment confirmation

Payment Methods

• Bitcoin (BTC): 10% discount on all BTC payments

• PayPal (Friends & Family)

• Revolut / Wire Transfer

• Manual Payment: After placing your order, contact us by email for payment instructions. Provide proof of payment for order processing.

Legal & Ethical Guidelines

• Buyers are responsible for verifying the legal status of 4B-MAR in their jurisdiction before ordering.

• EURO LAB CHEMS reserves the right to accept or decline orders based on intended research use.

• No free samples. Minimum order €150.

For orders or inquiries:
Contact sales@eurolabchems.com with your order number and research purpose.
Tracked shipping details provided within 4 hours of payment confirmation.

Note: This product is strictly for laboratory research. Not for human or animal use. Always follow local regulations and safety protocols when handling research chemicals.