(S)-2-Amino-2-(3-fluorophenyl)ethanol hydrochloride is primarily used in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting neurological and psychiatric disorders. Its structural features, including the chiral (S)-configuration, make it valuable in the creation of chiral molecules, which are essential for developing drugs with high specificity and efficacy. This compound is often explored in the design of potential therapeutic agents for conditions such as depression, anxiety, and other central nervous system-related diseases. Additionally, its fluorine-substituted phenyl group enhances its utility in medicinal chemistry, as fluorine atoms can improve the metabolic stability and binding affinity of drug candidates. Researchers also utilize it in enantioselective synthesis to produce optically pure substances, which are critical for minimizing side effects and optimizing drug performance.