N-azidoacetylglucosamine-tetraacylated (Ac4GlcNAz) (CAS: 98924-81-3) is an unnatural azido-containing monosaccharide building block. The azide moiety can be used for modification though chemoselective ligation chemistries including CuAAC, Cu-free click reaction or Staudinger ligation. The acetyl groups increase solubility in many solvents and make handling of this reagent easier.
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