Ethyl 3-Oxopiperidine-4-carboxylate Hydrochloride is primarily used in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly those targeting the central nervous system. Its structure is valuable in the creation of potential therapeutic agents for neurological disorders, including anxiety, depression, and cognitive impairments. Additionally, it is utilized in the development of novel drug candidates with improved efficacy and safety profiles. The compound's versatility also extends to organic synthesis, where it aids in constructing complex molecular frameworks for further chemical exploration.