m-PEG-Butyraldehyde, MW 2K is a linear, monofunctional modified PEG with an aldehyde end group at one end and a methoxy group at one end. The aldehyde can be reacted with hydrazide or aminooxy group for biomolecular probes and labels. Hydrophilic PEG chains increase the water solubility of compounds in aqueous media.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.