Used as an intermediate in organic synthesis, particularly in the preparation of pharmaceuticals. It serves as a protected form of 4-hydroxy-4-methylpiperidine, enabling controlled reactions in multi-step synthesis. Commonly employed in the development of active pharmaceutical ingredients (APIs) where selective functional group manipulation is required. Its benzyl ester group allows for easy deprotection under mild conditions, making it valuable in peptide and heterocyclic chemistry. Also utilized in the production of agrochemicals and specialty polymers due to its stability and reactivity profile.