This chemical is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of pharmaceutical compounds. It plays a significant role in the development of potential drug candidates, particularly those targeting specific enzymes or receptors involved in various diseases. Its structure is often leveraged to create derivatives that exhibit biological activity, making it valuable in drug discovery and optimization processes. Additionally, it may be used in research to study the structure-activity relationships of thienopyrimidine-based compounds, aiding in the design of more effective therapeutic agents.