AF594 DBCO is a fluorescent labeling reagent that combines the red fluorescent dye AF594 with DBCO (dibenzocyloctyne). DBCO is a frequently used chemical biolabeling group. AF594 DBCO (excitation wavelength about 590 nm, emission wavelength about 617 nm) is suitable for labeling proteins, cells, and other biomolecules for fluorescence imaging and flow cytometry detection.