Product Description: Cyanine5 carboxylic acid chloride (Cy5 acid chloride) is a fluorescent dye containing a non-activated carboxylic acid (Ex=646 nm, Em=662 nm). Cyanine5 carboxylic acid chloride is an non-reactive dye that can be used in control samples[1].
Formula: C32H39ClN2O2
References: [1]Thang B Hoang, et al. Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics. J Vis Exp. 2016 May 28;(111):53876.