Xylulose: Difference between revisions
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Revision as of 23:55, 4 May 2011
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Names | |||
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IUPAC name
(3R,4S)-1,3,4,5-Tetrahydroxypentan-2-one
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Other names
threo-Pentulose
threo-2-Pentulose | |||
Identifiers | |||
3D model (JSmol)
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ChemSpider | |||
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |||
C5H10O5 | |||
Molar mass | 150.13 g/mol | ||
Appearance | Syrup | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Xylulose is a ketopentose, a monosaccharide containing five carbon atoms, and including a ketone functional group. It has the chemical formula Template:Carbon5Template:Hydrogen10Template:Oxygen5. In nature, it occurs in both the L- and D-enantiomers.
Pathology
L-Xylulose accumulates in the urine in patients with pentosuria, due to a deficiency in L-xylulose reductase. Since L-xylulose is a reducing sugar like D-glucose, pentosuria patients have been wrongly diagnosed in the past to be diabetic.