Used primarily in the synthesis of oligonucleotides, this chemical acts as a key reagent in the phosphoramidite method for DNA and RNA sequencing. It facilitates the formation of phosphite triester bonds, crucial for building nucleotide chains. Additionally, it is employed in the production of modified nucleotides for research in genetic engineering and molecular biology. Its role extends to the development of therapeutic agents, including antisense oligonucleotides, which are used in targeting specific RNA sequences to treat genetic disorders.