The molecule is the 5-isomer of a fluorescent dye with an emission wavelength of 602 nm, derived from a heteropentacyclic ring system. It has a role as a fluorochrome.
5-[[4-(chloromethyl)benzoyl]amino]-2-(6,7,7,9,17,19,19,20-octamethyl-2-oxonia-6,20-diazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1,3,5(10),8,11,13,15,17,21-nonaen-13-yl)benzoate