The molecule is the tetracation of ToTo-1 dye. It has a role as a fluorochrome. It is a quinolinium ion, a benzothiazolium ion, a cyanine dye and a quaternary ammonium ion.
3-[dimethyl-[3-[4-[(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azaniumyl]propyl-dimethyl-[3-[4-[(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azanium