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The terminal azide can be covalently coupled to alkyne partners via copper-catalyzed azide-alkyne cycloaddition (CuAAC)
(β-D-GalNAc-sp)3-NHC(O)-(CH2)2-NHC(O)-PEG3-NH-Biotin
Colecalciferol-d3
mimicking the inner N-glycan substructure released by endo-β-mannosidase activity
C20H30N4NaO16P / 636
ES031000: 4-Methylumbelliferyl α-N-glycolylneuraminic acid Pack Size:1 mg The terminal azide can beC21H25NO12 483. 42 A 4 methylumbelliferyl (MU) glycoside of N glycolylneuraminic acid (Neu5Gc), a sialic acid variant carrying an extra hydroxyl on the N acyl group and found in most mammals but not normally in humans. Used as a fluorogenic substrate for sialidases (neuraminidases) with selectivity or preference for Neu5Gc containing sialosides; sialidase catalyzed cleavage of the glycosidic bond releases free Neu5Gc and 4 methylumbelliferone. 4
