Naphtho[1,8-gh]naphtho[1',8':6,7,8]cinnolino[5,4,3-cde]cinnoline is an intermediate in the synthesis of Tribenzo[de,h,kl]naphtho[1,2,3,4-rst]pentaphene (T767600), which is used in nanotechnology in the optical sensing of current dynamics in LED devices.