Used as a key intermediate in organic synthesis, particularly in the preparation of bioactive molecules and pharmaceuticals. Its iodomethyl group acts as a reactive site for nucleophilic substitution, enabling the introduction of the dioxane-protected aldehyde equivalent into complex structures. Commonly employed in the synthesis of prostaglandins and other natural products where controlled aldehyde release is required. The acetal functionality provides stability under basic and mildly acidic conditions, making it valuable for multi-step synthetic routes requiring selective deprotection.