Used as a key intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical industries. Its aldehyde and protected alcohol functional groups allow selective reactions, making it valuable for constructing complex molecules. Commonly employed in multi-step syntheses where the silyl ether acts as a protecting group for alcohols, enabling controlled transformations. The aldehyde group can undergo nucleophilic additions, reductions, or condensations, while the silyl-protected oxygen can be deprotected under mild conditions to reveal a hydroxyl group when needed. This dual functionality supports its use in synthesizing bioactive compounds, including natural products and drug candidates.