4,6-Dichloropyrimidine-5-carboxamide is primarily used in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of drugs that target specific enzymes or receptors, particularly in the development of antiviral and anticancer medications. Its structure allows for further chemical modifications, making it valuable in creating molecules with enhanced biological activity. Additionally, it is utilized in research settings to study and develop new therapeutic agents, contributing to advancements in medicinal chemistry.