AG924005: β-D-Lac-Ethyl-Azide (Peracetate) Pack Size:500 mg 43 / A peracetylated β-D-N-acetylgalactosamine

43 / A peracetylated β-D-N-acetylgalactosamine (GalNAcβ) ligand equipped with a terminal carboxylic acid through a short butyl spacer

31 / A fully unprotected (free amine

5-(α-D-Galactopyranosyl-oxy) pentanoic acid

/ H-Ser(Neu5Acα(2-6)GalNAc)-OH / STn Epitope (Serine)

AG924005: β-D-Lac-Ethyl-Azide (Peracetate) Pack Size:500 mg 43 / A peracetylated β-D-N-acetylgalactosamineC28H39N3O18 705. 6 A peracetylated D lactose ligand equipped with an azide functionalized linker through a short ethyl spacer. The terminal azide can be covalently coupled to alkyne partners via copper catalyzed azide alkyne cycloaddition (CuAAC), or to dibenzocyclooctyne (DBCO) and related strained alkynes using copper free click chemistry, forming stable 1,2,3 triazole linkages. The sugar hydroxyl groups are protected as acetate esters (peracetate);