Cyclobutylmethylamine hydrochloride is primarily used in pharmaceutical research and development as a building block for the synthesis of various bioactive compounds. Its structure is valuable in creating molecules that can interact with biological targets, particularly in the design of drugs targeting the central nervous system. Additionally, it serves as an intermediate in the production of specialty chemicals, including agrochemicals and fine chemicals. Its application extends to material science, where it is utilized in the development of advanced polymers and coatings with specific functional properties.