www.buzz-wholesale.com 4-FA is also known as 4-Fluoroamphetamine. Among other names of this research chemical are Flux, PAL-303, 4-FMP, PFA. The chemical name of 4-FA is 1-(4-Fluorophenyl)propan-2-amine. If you want to buy 4-Fluoroamphetamine to use it in your chemical research you should know that...