The molecule is an N,N'-diacetylchitobiose having beta-configuration at the reducing end anomeric centre. It has a role as an epitope. It derives from a beta-D-glucosaminyl-(1->4)-beta-D-glucosamine.
N-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide