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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 |
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Identifiers | |||
5962-29-8 (D/L) ![]() 551-84-8 (D) ![]() 527-50-4 (L) ![]() |
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ChEBI | CHEBI:17399 ![]() |
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ChemSpider | 20892 ![]() |
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Jmol interactive 3D | Image | ||
PubChem | 22253 | ||
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Properties | |||
C5H10O5 | |||
Molar mass | 150.13 g/mol | ||
Appearance | Faint yellow 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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Infobox references | |||
Xylulose is a ketopentose, a monosaccharide containing five carbon atoms, and including a ketone functional group. It has the chemical formula C5H10O5. 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.
References
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