THP-PEG7-alcohol is widely used in the field of organic synthesis and bioconjugation. Its primary application lies in its role as a protecting group for alcohols, particularly in the synthesis of complex molecules. The tetrahydropyranyl (THP) group effectively shields hydroxyl groups during multi-step reactions, allowing selective modifications elsewhere in the molecule. This is especially useful in the production of pharmaceuticals, where precise control over chemical reactions is critical.

Additionally, the polyethylene glycol (PEG) spacer in THP-PEG7-alcohol enhances solubility and biocompatibility, making it valuable in drug delivery systems. It is often employed to modify biomolecules, such as peptides or proteins, to improve their pharmacokinetic properties, including increased circulation time and reduced immunogenicity.

In material science, THP-PEG7-alcohol is utilized to functionalize surfaces or polymers, enabling the creation of advanced materials with tailored properties. Its versatility and stability make it a key reagent in both academic research and industrial applications.