4-MAR

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	176.21 g/mol ^[1]
Predicted LogP	1.2 ^[1]

Structural Identifiers []
Molecular formula	C₁₀H₁₂N₂O ^[1]
IUPAC name	4-methyl-5-phenyl-4,5-dihydro-1,3-oxazol-2-amine ^[1]
SMILES	CC1C(OC(=N1)N)C2=CC=CC=C2 ^[1]
InChI	InChI=1S/C10H12N2O/c1-7-9(13-10(11)12-7)8-5-3-2-4-6-8/h2-7,9H,1H3,(H2,11,12) ^[1]
InChIKey	LJQBMYDFWFGESC-UHFFFAOYSA-N ^[1]

4-Methylaminorex

4-Methylaminorex (also known as 2-Oxazoline, 2-amino-4-methyl-5-phenyl-, 4,5-dihydro-4-methyl-5-phenyl-2-oxazolamine, 7PK6VC94OU, 2-Amino-4-methyl-5-phenyloxazoline, U4euh, 4-Methyl-5-phenyl-4,5-dihydro-1,3-oxazol-2-amine, 2-Amino-4-methyl-5-phenyl-2-oxazoline, 4-methyl-5-phenyl-4,5-dihydrooxazol-2-amine, 4-Methyl Aminorex or 2-Amino-4-methyl- 5-phenyloxazoline) is a stimulant substance of the aminorex class.

Chemistry

Stereochemistry []

4-Methylaminorex is a racemic mixture of the diastereomers

Stereoisomers
(1R,2R)-4-Methylaminorex (1S,2R)-4-Methylaminorex (1R,2S)-4-Methylaminorex (1S,2S)-4-Methylaminorex

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

Experience reports []

There are currently 10 experience reports involving 4-methylaminorex on OpenErowid:

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 92196, 4-Methylaminorex. Accessed August 6, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/92196

Anodyne