4-Arm PEG-SCM, MW 2,000 is a 4-branched polyPEG molecule with NHS esters. NHS esters are used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic polyPEG linker increases the water solubility of the compound. Reagent grade, for research use only.
Usually ships within 24 hours.