1,2,3,6,7,8-Hexahydrodibenzo[de,qr]naphthacene-9,14-dione is an intermediate in the synthesis of Naphtho[2,3-e]pyrene (H294710), which is a polycyclic aomatic hydrocarbon (PAH) with carcinogenicity. Naphtho[2,3-e]pyrene is one of the C24H14 PAH that displayed mutagenicity in human cells expressing CYP1A1.