4-Fluoroamphetamine (4-FA; PAL-303; "Flux",; "Flits", "R2D2"), also known as para-fluoroamphetamine (PFA) is a psychoactive drug and research chemical of the phenethylamine and amphetamine chemical classes. It produces stimulant and possibly entactogenic effects. 4-FA is sometimes sold as a designer drug along with related compounds such as 2-fluoroamphetamine and 4-fluoromethamphetamine.
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Chemistry educational resource for 4-Fluoroamphetamine (standard InChIKey DGXWNDGLEOIEGT-UHFFFAOYSA-N). 1-(4-Fluorophenyl)-2-propanamine (IUPAC Name); 1-(4-fluorophenyl)propan-2-amine; 4-Fluoro-alpha-methyl-benzeneethanamine. Follow the page link to go to the compound page on the Learn Chemistry wiki.