Used in organic synthesis as a key intermediate for the preparation of functional organic materials, particularly in the development of conjugated polymers and small-molecule semiconductors for optoelectronic devices. Its aldehyde functional groups allow for facile extension of π-conjugated systems via condensation reactions, making it valuable in the design of organic light-emitting diodes (OLEDs) and fluorescent sensors. The benzylcarbazole moiety provides good thermal stability and hole-transport properties, enhancing performance in electronic applications. Also employed in the synthesis of macrocyclic compounds and ligands for metal coordination in catalysis research.