Vanitiolide is primarily used in the pharmaceutical industry as an intermediate in the synthesis of various active pharmaceutical ingredients (APIs). Its unique chemical structure makes it valuable for developing compounds with potential therapeutic effects, particularly in the areas of anti-inflammatory and anticancer drug research. Additionally, it is employed in organic chemistry research for studying reaction mechanisms and developing novel synthetic pathways. Its application extends to the production of specialized chemicals used in targeted drug delivery systems, enhancing the efficacy and specificity of treatments.