(S)-3-Amino-4-(3-chlorophenyl)butanoic acid is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of pharmaceutical compounds. Its structure, featuring both an amino group and a chlorophenyl moiety, makes it valuable for developing drugs targeting neurological and psychiatric disorders. Specifically, it is employed in the production of gamma-aminobutyric acid (GABA) analogs, which are used to treat conditions such as epilepsy, anxiety, and chronic pain. Additionally, its chiral nature allows for the creation of enantiomerically pure substances, enhancing the efficacy and reducing the side effects of the resulting medications. Researchers also explore its potential in designing inhibitors for enzymes involved in metabolic pathways, contributing to the development of novel therapeutics.