The molecule is a cationic C1 cyanine dye having 3-methylbenzothiazolium-2-yl and 1-methylquinolinium-4-yl substituents. It has a role as a fluorochrome. It is a cyanine dye, a benzothiazolium ion and a quinolinium ion.
(2Z)-3-methyl-2-[(1-methylquinolin-1-ium-4-yl)methylidene]-1,3-benzothiazole