Used primarily in oligonucleotide synthesis, this chemical acts as a key reagent in the preparation of phosphoramidites, which are essential for constructing DNA and RNA sequences. Its role is crucial in the formation of phosphite triester linkages during the solid-phase synthesis process, enabling the step-by-step assembly of nucleic acids. This makes it valuable in genetic research, diagnostics, and therapeutic development, particularly in areas like gene editing, PCR, and antisense technology. Its stability and reactivity under controlled conditions ensure efficient and precise synthesis of oligonucleotides.