Used as an intermediate in organic synthesis, particularly in the pharmaceutical industry for constructing complex molecules. Its primary application lies in protecting amine functionalities during multi-step syntheses, where the carbamate group stabilizes the amine and prevents unwanted side reactions. The tert-butyl cyclopentylcarbamate group can be selectively removed under mild acidic conditions, making it valuable in peptide synthesis and the development of active pharmaceutical ingredients. Its cyclopentyl moiety may also contribute to the lipophilicity and bioavailability of final drug compounds, enhancing their pharmacokinetic properties.