The molecule is an organic sodium salt which is the trisodium salt of tetrasulfocyanine acid. It is an in vivo near-IR fluorescent probe for tumour imaging. It has a role as a fluorescent probe. It contains a tetrasulfocyanine(3-).
trisodium;(2E)-2-[(2E,4E,6E)-7-[3,3-dimethyl-5-sulfonato-1-(2-sulfonatoethyl)indol-1-ium-2-yl]-4-methylhepta-2,4,6-trienylidene]-3,3-dimethyl-1-(2-sulfonatoethyl)indole-5-sulfonate