Quinazolin-8-amine serves as a key intermediate in the synthesis of various pharmaceutical compounds, particularly in the development of kinase inhibitors used in cancer therapy. Its structure allows for selective modification, making it valuable in designing drugs that target specific signaling pathways in tumor cells. It is also utilized in the production of agrochemicals, contributing to the creation of herbicides and pesticides with improved efficacy and selectivity. Additionally, this compound plays a role in research settings for exploring new bioactive molecules due to its favorable reactivity and ability to form stable derivatives.