(R)-1-(2-Fluorophenyl)ethanamine hydrochloride is primarily utilized in the pharmaceutical industry as a chiral building block for the synthesis of various active pharmaceutical ingredients (APIs). Its enantiomeric purity makes it valuable in the development of drugs that require specific stereochemistry for optimal efficacy and reduced side effects. This compound is often employed in the production of central nervous system (CNS) drugs, including antidepressants and anxiolytics, where the (R)-enantiomer can provide enhanced therapeutic properties. Additionally, it serves as an intermediate in the synthesis of compounds targeting neurological disorders, leveraging its fluorophenyl group for improved binding affinity to biological targets. Its application extends to research settings, where it is used in the study of receptor interactions and the development of novel therapeutic agents.