6-Hydroxyquinazoline-2,4(1H,3H)-dione is primarily used in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active compounds. Its structure serves as a foundational scaffold for developing potential therapeutic agents, particularly in the design of enzyme inhibitors. Researchers have explored its utility in creating molecules that target specific enzymes involved in diseases such as cancer, inflammation, and microbial infections. Additionally, its derivatives have shown promise in modulating cellular pathways, making it a valuable compound for drug discovery and development. Its applications also extend to agricultural chemistry, where it is investigated for its potential use in creating novel pesticides or herbicides.