This chemical is primarily utilized in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting enzyme inhibition. Its structure, featuring a pyrido[2,3-d]pyrimidine core, is often leveraged in the design of molecules that interact with specific protein targets, making it valuable in drug discovery efforts. Additionally, it has been explored for its potential in creating novel therapeutic agents, especially in the treatment of diseases such as cancer and inflammation where modulation of enzymatic activity is crucial. Its application extends to the study of structure-activity relationships (SAR) to optimize the efficacy and selectivity of drug candidates.