AG152015: β-D-GalNAc-Pentyl-Carboxylic Acid (Peracetate) Pack Size:50 mg while the free α-carboxylic acid

while the free α-carboxylic acid couples to the resin-bound peptide

the conserved core disaccharide of N-linked glycans

STF (Neu5Acα2-3Galβ1-3GalNAcα) at Thr 541

Fmoc-Ser(α-D-GalNAc)-OH

Fmoc-L-Asn(GlcNAc(Ac)3-β-D)-OH

AG152015: β-D-GalNAc-Pentyl-Carboxylic Acid (Peracetate) Pack Size:50 mg while the free α-carboxylic acidC20H31NO11 461. 46 A peracetylated D N acetylgalactosamine (GalNAc) ligand equipped with a terminal carboxylic acid through a pentyl spacer, with the sugar hydroxyl groups protected as acetate esters. The peracetate groups increase lipophilicity to facilitate cell membrane permeability. The carboxylic acid can be activated to NHS, sulfo NHS, or pentafluorophenyl (PFP) esters and reacted with amine functionalized platforms or lysine residues on