m-PEG-Hydrazide, MW 40K is a high quality aldehyde reactive PEG, ketone reactive PEG and carboxyl reactive PEG. It can be applied for bioconjugation, drug delivery, PEG hydrogels, cross-linking agents and surface functionalization.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.