Used in pharmaceutical synthesis, particularly as an intermediate in the preparation of histamine-related compounds and histidine derivatives. Serves as a protected form of histamine or histidine analogs, enabling selective reactions in peptide synthesis and medicinal chemistry. Commonly employed in the development of enzyme inhibitors, receptor agonists, or antagonists targeting neurological and immunological pathways. Its imidazole ring allows for metal coordination in catalytic applications or in the design of bioactive molecules. Stable under various reaction conditions, making it valuable in multi-step organic syntheses.