Used in the synthesis of deuterated organic compounds, particularly in pharmaceutical research where deuterium labeling is essential for studying drug metabolism and pharmacokinetics. It serves as a key intermediate in the development of deuterated thiophene derivatives, which are valuable in the creation of novel materials and active pharmaceutical ingredients. Its application extends to the field of organic electronics, where it contributes to the production of advanced semiconducting materials. Additionally, it is utilized in analytical chemistry as a reference standard for mass spectrometry and NMR studies.