Ethyl 2-chloro-5-fluoropyrimidine-4-carboxylate is primarily used as a key intermediate in the synthesis of various pharmaceutical compounds. Its structure makes it valuable in the development of drugs, particularly those targeting antiviral and anticancer activities. The compound is often utilized in organic synthesis to introduce the pyrimidine core, which is a common motif in many biologically active molecules. Additionally, it serves as a building block in the preparation of agrochemicals, contributing to the creation of pesticides and herbicides. Its reactivity allows for further functionalization, enabling researchers to tailor it for specific applications in medicinal chemistry and drug discovery.