4-FA

Salts []
Hydrochloride

Molecular structure via molpic based on CDK

Conformer []

Conformer structure via JSmol

Physical properties []
Molecular mass	153.20 g/mol ^[1]
Predicted LogP	1.9 ^[1]

Structural Identifiers []
Molecular formula	C₉H₁₂FN ^[1]
IUPAC name	1-(4-fluorophenyl)propan-2-amine ^[1]
SMILES	CC(CC1=CC=C(C=C1)F)N ^[1]
InChI	InChI=1S/C9H12FN/c1-7(11)6-8-2-4-9(10)5-3-8/h2-5,7H,6,11H2,1H3 ^[1]
InChIKey	DGXWNDGLEOIEGT-UHFFFAOYSA-N ^[1]

4-Fluoroamphetamine

4-Fluoroamphetamine (also known as p-Fluoroamphetamine, p-Fluoro-α-methylphenethylamine, PHENETHYLAMINE, p-FLUORO-α-METHYL-, PAL-303, J50.057G, para-fluoroamphetamine, 1-(2-fluorophenyl)-2-propanamine, Benzeneethanamine, 4-fluoro-α-methyl-, 1-(4-Fluorophenyl)propane-2-amine or 4-FA) is a stimulant substance of the amphetamine class.

Chemistry

Salts []

4-Fluoroamphetamine is typically found in the form of its hydrochloride salt.

Stereochemistry []

4-Fluoroamphetamine is a racemic mixture of the enantiomers

Stereoisomers
(R)-4-Fluoroamphetamine (S)-4-Fluoroamphetamine

Subjective effects []

Physical effects
Abnormal heartbeat Appetite suppression Dehydration Dry mouth Increased blood pressure Increased heart rate Increased libido Restless legs Shakiness Stamina enhancement Stimulation Teeth grinding Vasoconstriction

Cognitive effects
Analysis enhancement Cognitive euphoria Compulsive redosing Disinhibition Ego inflation Focus enhancement Increased music appreciation Mania Motivation enhancement Suggestibility suppression Thought acceleration Wakefulness

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 9986, 4-Fluoroamphetamine. Accessed July 20, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/9986
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 4-Fluoroamphetamine. UNII: S5744XYR1Z. Global Substance Registration System. Accessed July 20, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/S5744XYR1Z

Anodyne