1-Cbz-4-piperidinecarboxylic acid is widely used in organic synthesis, particularly in the pharmaceutical industry, as a key intermediate for the preparation of various biologically active compounds. Its primary application lies in the development of peptide-based drugs, where it serves as a protective group for amines during synthesis. The Cbz (carbobenzoxy) group can be easily removed under mild conditions, making it a versatile tool in peptide coupling reactions. Additionally, it is employed in the synthesis of piperidine derivatives, which are essential building blocks for many drugs targeting neurological disorders, such as antipsychotics and antidepressants. Its role in facilitating the creation of complex molecular structures highlights its importance in medicinal chemistry and drug discovery.