Used as a deuterated analog in the synthesis of labeled pharmaceutical compounds, particularly in the development of drugs targeting specific biological pathways. It serves as a key intermediate in the preparation of deuterated pyrimidine derivatives, which are valuable in metabolic studies and drug discovery. The incorporation of deuterium enhances the stability and pharmacokinetic properties of the resulting molecules, making it useful for research in medicinal chemistry. Additionally, it is employed in the production of agrochemicals, where deuterated compounds can improve the efficacy and environmental safety of pesticides or herbicides. Its role in isotopic labeling also supports advanced analytical techniques, such as mass spectrometry, for tracing and identifying chemical processes.