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File:Chitobiose glucosamine.svg
Glucosamine dimer form of chitobiose.
File:Chitobiose N,N-diacetylglucosamine.svg
N,N'-diacetylglucosamine dimer form of chitobiose.

Chitobiose is a dimer of β-1,4-linked glucosamine units. There is ambiguity as to which structure the name refers, owing to the method by which it was first isolated.[1][2]


  1. Bergmann, M., Zervas, L. & Silberkweit, E. Naturwissenschaften 1931 , 19, 20.
  2. Zechmeister, L., Grassmann, W., Töth, G. & Bendcr, R. Ber. Dtsch. Chem. Ges. 1932, 65, 1706-1708