3-Methyl-1-phenylbutylamine finds application in the synthesis of pharmaceutical compounds, particularly as an intermediate in the production of drugs targeting the central nervous system. It is utilized in the development of stimulants and psychotropic medications due to its structural similarity to certain amphetamine derivatives. Additionally, this compound is employed in research settings for studying neurotransmitter activity and receptor interactions, aiding in the discovery of new therapeutic agents for neurological disorders. Its role in organic synthesis also extends to the creation of complex molecules for various pharmacological studies.