2-Amino-4-phenylbutane is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the production of various pharmaceuticals. Its structure makes it a valuable building block for the synthesis of compounds with potential central nervous system activity. Additionally, it is employed in research settings to study its effects on neurotransmitter systems, particularly in the context of developing new therapeutic agents for neurological disorders. The compound's ability to interact with specific receptors also makes it a candidate for the development of drugs targeting mood and cognitive functions.