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Alpha-Gal(1-3)Lac-PEG3-NHCO-PEG10-Mal
C16H15D4N3O5S / 369
Neu5Gc-α-4MU
36 / A β-D-galactose ligand equipped with a terminal alkyne through a hydrophilic PEG3 spacer
C38H50N2O11 / 710
PE034000: α-NeuAc-PEG3-Azide label-new Alpha-Gal(1-3)Lac-PEG3-NHCO-PEG10-MalC17H30N4O11 466. 44 An N acetylneuraminic acid (Neu5Ac) ligand equipped with an azide handle through a hydrophilic PEG3 spacer. The terminal azide couples to alkynes via copper catalyzed azide alkyne cycloaddition (CuAAC) or to DBCO and related strained alkynes via copper free click chemistry, forming stable 1,2,3 triazole linkages. This terminal sialic acid (Neu5Ac) residue is a recognition element for Siglecs and sialic acid binding proteins, and
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