The molecule is a chitobiose consisting of D-glucosamine having an N-acetyl-beta-D-glucosaminyl residue attached at the 4-position. It derives from a beta-D-glucosaminyl-(1->4)-D-glucosamine. It is a conjugate base of a N-acetyl-beta-D-glucosaminyl-(1->4)-D-glucosaminium(1+).
N-[(2S,3R,4R,5S,6R)-2-[(2R,3S,4R,5R)-5-amino-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide