FITC-PEG-DBCO (MW 3400)

FITC-PEG-DBCO (MW 3400) is a fluorescent dye made up of FITC, PEG, and dibenzocyclooctyne (DBCO) . As a cycloalkyne, DBCO can react with azide-containing molecules using "click chemistry" for coupling purposes. The dye has excitation/emission wavelengths of 488/525 nm.