The molecule is an anionic cyanine-type compound having N-substituted 1,3-benzoxazol-2-yl and 4,6-dioxo-2-sulfanylidenetetrahydropyrimidin-5-yl groups at either end. It has a role as a fluorochrome. It is an organosulfonate oxoanion and a member of 1,3-benzoxazoles.
3-[(2E)-2-[(E)-4-(1,3-dibutyl-4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)but-2-enylidene]-1,3-benzoxazol-3-yl]propane-1-sulfonate