Used in pharmaceutical research as a key intermediate for synthesizing biologically active compounds, particularly kinase inhibitors. It serves as a building block in the development of drugs targeting cancer and inflammatory diseases due to its structural similarity to purine bases, allowing it to interact with enzyme active sites. Also employed in the synthesis of indazole-based derivatives for studying receptor binding and metabolic stability. Its carboxylic acid group enables easy conjugation to other molecules, making it valuable in medicinal chemistry for creating compound libraries.