Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require functionalized piperazine moieties. The aldehyde group allows for further derivatization through reactions such as reductive amination or condensation, enabling the construction of complex molecular architectures. The Boc-protected piperazine ensures selective reactivity and stability during multi-step syntheses, making it valuable in medicinal chemistry for creating drug candidates targeting neurological, cardiovascular, or oncological conditions. Commonly employed in research settings for library generation in high-throughput screening and structure-activity relationship (SAR) studies.