Sulfo-Cyanine7 bis-NHS ester is a water-soluble, bifunctional cross-linker that contains a core of near infrared, water soluble dye sulfo-Cyanine7, and two amine-reactive NHS ester groups.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
