3-Deoxy-D-manno-oct-2-ulosonic acid

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3-Deoxy-D-manno-oct-2-ulosonic acid
3-Deoxy-D-manno-oct-2-ulosonic acid linear.png
Abbreviations D-KDO; KDO; dOclA
CAS number 10149-14-1, linear form
PubChem 445569
ChemSpider 106511 YesY
ChEBI CHEBI:32817 YesY
Jmol-3D images Image 1
Image 2
Molecular formula C8H14O8
Molar mass 238.19 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

3-Deoxy-D-manno-oct-2-ulosonic acid or KDO is an ulosonic acid of a 2-ketooctose which is used by bacteria in the synthesis of lipopolysaccharides.[1] The D-manno prefix indicates that four chiral centers have the same configuration as D-mannose.

The cyclization of 3-deoxy-D-manno-oct-2-ulosonic acid to the β-anomer. The chiral centers are indicated by asterisks.


  1. ^ Ghalambor, Mohammad Ali; Levine, Edward M.; Heath, Edward C. (1966). "The biosynthesis of cell wall lipopolysaccharide in Escherichia coli. III. The isolation and characterization of 3-deoxyoctulosonic acid". Journal of Biological Chemistry 241 (13): 3207–15. PMID 4287911.