4-Phenylmethamphetamine

BPMA

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	225.33 g/mol ^[1]
Predicted LogP	3.7 ^[1]

Structural Identifiers []
Molecular formula	C₁₆H₁₉N ^[1]
IUPAC name	N-methyl-1-(4-phenylphenyl)propan-2-amine ^[1]
SMILES	CC(CC1=CC=C(C=C1)C2=CC=CC=C2)NC ^[1]
InChI	InChI=1S/C16H19N/c1-13(17-2)12-14-8-10-16(11-9-14)15-6-4-3-5-7-15/h3-11,13,17H,12H2,1-2H3 ^[1]
InChIKey	LQZHCIPFXVLYCQ-UHFFFAOYSA-N ^[1]

4-Phenylmethamphetamine is a stimulant substance of the amphetamine class.

Chemistry

4-Phenylmethamphetamine is a racemic mixture of the enantiomers.

Stereoisomerism
(R)-4-Phenylmethamphetamine (S)-4-Phenylmethamphetamine
Stereoisomer enumberation with rdkit

4-Phenylmethamphetamine matches Lipinski's rule of five.

class / Stimulant

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

National Center for Biotechnology Information. PubChem Compound Summary for CID 82540674, 4-Phenylmethamphetamine. Accessed June 16, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/82540674