3-Methylcyclohexene an organic compound consisting of cyclohexene with a methyl group substituent adjacent to the alkene group. Two other structural isomers are known: 1-methylcyclohexene and 4-methylcyclohexene. All are colorless volatile liquids classified as a cyclic olefins. They are specialized reagents.
3-Methylcyclohexene is produced from 3-methylcyclohexanone.[1]