Used in pharmaceutical research as a deuterated building block for drug development, particularly in the synthesis of deuterated analogs to study metabolic pathways and improve drug stability. It serves as a key intermediate in organic synthesis, enabling the incorporation of deuterium into furan-based compounds for isotopic labeling. This labeling is crucial in mechanistic studies and NMR spectroscopy to trace molecular behavior. Additionally, it is employed in materials science for the development of advanced polymers and electronic materials, where deuterium substitution can alter physical and chemical properties.