1-(Pyridin-4-yl)ethanamine dihydrochloride is primarily utilized in pharmaceutical research and development as a key intermediate in the synthesis of various biologically active compounds. Its structure, featuring a pyridine ring, makes it valuable in the design of molecules targeting neurological disorders, particularly those involving the central nervous system. It is often employed in the creation of ligands for receptors or enzymes, aiding in the study of their mechanisms and potential therapeutic applications. Additionally, this compound is used in organic synthesis to introduce the pyridine moiety into more complex molecules, enhancing their pharmacological properties. Its role in medicinal chemistry underscores its importance in the discovery and optimization of new drugs.