Mal-PEG4-NHS ester is a PEG linker with maleimide and NHS ester groups. It enhances aqueous solubility via the PEG10 chain. The functional groups enable covalent bonding between amines and thiols, facilitating biomolecule conjugation for proteins, oligonucleotides, and other thiol- or amine-containing molecules. Reagent grade, for research purpose.
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