(2-Methoxypyrimidin-4-yl)methanamine dihydrochloride is primarily used in pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting enzyme inhibition or receptor modulation. Its structure is often exploited in the design of drugs for treating conditions such as cancer, inflammation, or infectious diseases. Additionally, it is utilized in biochemical studies to investigate molecular interactions and pathways, aiding in the discovery of novel therapeutic agents. Its stability and reactivity make it a valuable component in medicinal chemistry applications.