Molecular Formula C20H10Cl2N2O2 Molecular Weight 381.21 CAS Registry Number 3089-17-6 EINECS 221-424-4 IdentificationName Pigment Red 202Synonyms C.I. 73907; 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione Molecular Structure Molecular Formula C20H10Cl2N2O2Molecular Weight 381.21CAS Registry Number 3089-17-6EINECS 221-424-4 Pigment Red 202 3089-17-6