PEI-g-PEG-SH, MW PEI 2 kDa, PEG 2 kDa
A thiol-terminated polyethyleneimine-graft-polyethylene glycol copolymer with good water solubility and biocompatibility. The thiol groups enable efficient disulfide crosslinking, bioconjugation and surface modification. Widely used in drug delivery, gene vectors and nanomaterial functionalization.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.