1-(4-Methylphenyl)ethylamine is primarily utilized in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of drugs that target neurological and cardiovascular systems. Additionally, it is employed in the development of chiral compounds, which are crucial for creating enantiomerically pure substances used in medicinal chemistry. The compound also finds applications in organic synthesis, particularly in the formation of complex molecules through reactions like reductive amination. Its role in research and development is significant, aiding in the discovery of new therapeutic agents and bioactive molecules.