4C-MAR

4'-Chloro-4-methylaminorex (4C-MAR, 4'-Cl-4-MAR) is a recreational designer drug from the substituted aminorex family, with stimulant effects. It has reportedly been sold since around 2021 and was first definitively identified in Austria in January 2022.^[1]

4'-Chloro-4-methylaminorex

Identifiers
IUPAC name 4-methyl-5-(4-chlorophenyl)-4,5-dihydro-1,3-oxazol-2-amine
CAS Number	3063572-02-8 Y
PubChem CID	165361753
Chemical and physical data
Formula	C10H11ClN2O
Molar mass	210.66 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC1C(OC(=N1)N)C2=CC=C(C=C2)Cl
InChI InChI=1S/C10H11ClN2O/c1-6-9(14-10(12)13-6)7-2-4-8(11)5-3-7/h2-6,9H,1H3,(H2,12,13) Key:PEMJVPLFSLEVII-UHFFFAOYSA-N

See also

• 2C-B-aminorex
• 2F-MAR
• 4B-MAR
• 4,4'-DMAR
• 4'-Fluoro-4-methylaminorex
• 4-Methylaminorex
• Clominorex
• MDMAR
• 4-Chloroamphetamine
• 4-Chloromethcathinone