BDP 630/650 is a red emitting fluorophore matching the Cyanine5 channel. The dye is useful for fluorescence polarization assays. It is also remarkably photostable.
The terminal alkyne group can be conjugated with various azides by copper catalyzed Click chemistry.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.