2-Chlorophenethylamine is primarily utilized in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of certain drugs, particularly those targeting the central nervous system. Its structure is often incorporated into molecules designed for their psychoactive or therapeutic effects, such as stimulants or antidepressants. Additionally, it is used in research settings to study the biochemical pathways and receptor interactions related to neurotransmitters. In some cases, it may also be employed in the development of novel chemical entities for potential medical applications.