The molecule is a C7 cyanine dye having 1-ethyl-3,3-dimethylindoleinine units at each end. It has a role as a fluorochrome. It is an organic iodide salt and a cyanine dye. It contains a C7-indocyanine cation.
(2Z)-1-ethyl-2-[(2E,4E,6E)-7-(1-ethyl-3,3-dimethylindol-1-ium-2-yl)hepta-2,4,6-trienylidene]-3,3-dimethylindole;iodide