This chemical is primarily utilized in peptide synthesis as a coupling reagent. It facilitates the formation of peptide bonds between amino acids, enhancing the efficiency and yield of the process. Its stability and reactivity make it suitable for solid-phase peptide synthesis, where it helps in the sequential addition of amino acids to build peptides. Additionally, it is employed in organic synthesis for the formation of amides and esters, offering a reliable method for constructing complex molecules. Its hexafluorophosphate component contributes to its solubility in organic solvents, making it versatile for various synthetic applications.