Lyxose
Lyxose.png
Alpha-D-Lyxopyranose.svg
Names
IUPAC name
(2R,3R,4S)-2,3,4,5-Tetrahydroxypentanal
Other names
L-Lyxose
Lyxopyranose
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
EC Number
  • 217-763-2
UNII
  • InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4-,5-/m0/s1
    Key: PYMYPHUHKUWMLA-YUPRTTJUSA-N
  • C([C@@H]([C@H]([C@H](C=O)O)O)O)O
Properties
C5H10O5
Molar mass 150.130 g·mol−1
Density 1.545 g cm−3
Melting point 108 °C (226 °F; 381 K)
Soluble in water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lyxose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. It has chemical formula C5H10O5. It is a C'-2 carbon epimer of the sugar xylose.

Lyxose occurs only rarely in nature, for example, as a component of bacterial glycolipids.[1]

D-Lyxose in both its furanose and pyranose forms
D-Lyxose in both its furanose and pyranose forms

References

  1. ^ Kay-Hooi Khoo et al., Chemistry of the Lyxose-Containing Mycobacteriophage Receptors of Mycobacterium phlei/Mycobacterium smegmatis, Biochemistry, 35 (36), 11812-11819, 1996. Abstract