4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride

4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride (DIB-Cl) is a fluorescent labeling reagent. 4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride can be used for labeling amines and successfully being applied to determine activator amines by HPLC.