Used as a key intermediate in the synthesis of high-performance organic semiconductors and optoelectronic materials. Its rigid carbazole backbone and iodine substituents enable efficient functionalization for use in organic light-emitting diodes (OLEDs) and photovoltaic devices. The acetyl group facilitates further chemical modification, enhancing its utility in creating charge-transport materials. Also explored in pharmaceutical research for its potential bioactive properties due to the iodinated aromatic structure.