Biotin-S-S-PEG-silane, MW 2K is a biotinylation PEG polymer.Silane-PEG-Biotin is a linear heterobifunctional PEG reagent with a biotin and an silane.It is a useful crosslinking or bioconjugation reagent with a PEG spacer.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.