compound introduction
Extinction Coefficient Excitation Maximum: 232000; Cy5-PEG5-amine HCl salt is a PEG derivative containing a cyanine dye with excitation/emmission maximum 649/667 nm and a free amine group, which will be reactive with cabroxylic acid, activated NHS ester, carbonyl (ketone, aldehyde) etc. The hydophilic PEG spacer increases solubility in aqueous media.
