The molecule is a symmetrical C3 cyanine dye having 1-ethylnaphtho[1,2-d][1,3]thiazol-2-yl groups at each end. It has a role as a fluorochrome. It is a cyanine dye and an organic cation.
(2Z)-1-ethyl-2-[(E)-3-(1-ethylbenzo[e][1,3]benzothiazol-1-ium-2-yl)-2-methylprop-2-enylidene]benzo[e][1,3]benzothiazole