Used in organic synthesis as a building block for pharmaceuticals, particularly in the development of central nervous system agents and neurotransmitter analogs. Serves as an intermediate in the preparation of bioactive molecules due to the presence of both amine and phenolic functional groups, which allow for diverse chemical modifications. Its hydrochloride salt form enhances stability and solubility, making it suitable for use in aqueous reaction media. Also employed in research related to neurodegenerative diseases due to structural similarity to natural catecholamine compounds.