4-Fluoroamphetamine (4-FA) :

4-Fluoroamphetamine is a psychoactive drug and research chemical of the phenethylamine and amphetamine chemical classes.

4-Fluoroamphetamine, also known as para-fluoroamphetamine is a psychoactive research chemical of the phenethylamine and substituted amphetamine chemical classes. It produces stimulant and entactogenic effects, and is described subjectively as being between amphetamine and MDMA

samples bought online. Controlled: ecstasy 1%. MDMA 2%, amphetamine1%. cocaine 1%. LSD 5%,2C-B 6%. NPS: 4-FA 32%. 5/6-APB 48% methoxetamine.

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Halogenated amphetamines, including fluoroamphetamines (FAs), are psychostimulatory designer drugs.1,2 para-Fluoroamphetamine (4-FA) (hydrochloride) inhibits the uptake of dopamine, serotonin, and norepinephrine with IC50 values of 0.77, 6.8, and 0.42 µM, respectively, indicating potency comparable to cocaine or methamphetamine.3 Methodology for detecting 4-FA in serum and urine using GC/MS has recently been described.4 This product is intended for forensic purposes.

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