Thiol-PEG-Hydrazide (HS-PEG-HZ, SH-PEG-HZ), MW 2K is a heterobifunctional PEGylated polymer which is a useful crosslinking or bioconjugation reagent with PEG spacer. Can react with carbonyl compounds, including ketones or aldehydes, to form acylhydrazone linkages.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.