The molecule is a cationic C3 cyanine-type compound with 4-(dimethylamino)phenyl and 6-(dimethylamino)-1-ethylquinolinium-2-yl groups at either end. It has a role as a fluorochrome. It is a tertiary amine and a quinolinium ion.
2-[(1E,3E)-4-[4-(dimethylamino)phenyl]buta-1,3-dienyl]-1-ethyl-N,N-dimethylquinolin-1-ium-6-amine