Quinazolin-6-ol is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active compounds. It serves as a building block for the development of drugs targeting specific enzymes and receptors, particularly in the treatment of cancer and inflammatory diseases. Its structural framework is integral to creating inhibitors for tyrosine kinases, which play a critical role in cell signaling and proliferation. Additionally, it is explored for its potential in designing antimicrobial and antiviral agents, contributing to the fight against resistant pathogens. Researchers also investigate its derivatives for their antioxidant properties, which could be beneficial in managing oxidative stress-related conditions.