Used primarily as an intermediate in organic synthesis, especially in the preparation of sulfonamides and sulfonate esters, which are key functional groups in pharmaceuticals and agrochemicals. Its reactivity allows for easy introduction of the pentylsulfonyl group, making it valuable in modifying molecular structures to enhance solubility or stability. Commonly employed in research settings for developing bioactive compounds and in the synthesis of specialty chemicals where a linear alkyl sulfonyl moiety is required.