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C56H88N12O23S / 1329
CMP-Sialic Acid
66 / An Fmoc-protected L-asparagine building block carrying a β-D-GlcNAc residue
/ Triantennary GalNAc-β-Alanine-PEG3-Biotin / Tris-GalNAc-β-Ala-PEG3-Biotin
C66H112N12O30S / 1585
GA921000: Fmoc-Ser(β-D-Lac(Ac)7)-OH Pack Size:100 mg C56H88N12O23S / 1329C44H51NO22 945. 87 An Fmoc protected L serine building block carrying a D lactose (Gal1 4Glc) disaccharide, designed for solid phase peptide synthesis (SPPS) of glycopeptides. The N Fmoc group is removed under standard base conditions (piperidine) during chain elongation, while the free carboxylic acid is available for coupling to the growing resin bound peptide. The sugar hydroxyl groups are protected as seven acetate esters (Ac7), which keep the
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