1-(2-Chlorophenyl)ethanamine hydrochloride is primarily used in the pharmaceutical industry as an intermediate in the synthesis of various active pharmaceutical ingredients (APIs). It plays a key role in the production of compounds with potential therapeutic effects, particularly in the development of drugs targeting the central nervous system. Its structural properties make it valuable for creating molecules with specific pharmacological activities, such as analgesics or antidepressants. Additionally, it is utilized in research settings for studying chemical reactions and developing new synthetic pathways for drug discovery. Its application is significant in optimizing drug efficacy and safety profiles during the early stages of pharmaceutical development.