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Chemical compound From Wikipedia, the free encyclopedia
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.[3] 1-Deoxyxylulose is a precursor to terpenes via the DOXP pathway.[4]
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Names | |||
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IUPAC name
L-threo-Pent-2-ulose | |||
Systematic IUPAC name
(3R,4S)-1,3,4,5-Tetrahydroxypentan-2-one | |||
Other names
threo-Pentulose threo-2-PentuloseL-Xylulose | |||
Identifiers | |||
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CompTox Dashboard (EPA) |
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Properties | |||
C5H10O5 | |||
Molar mass | 150.130 g·mol−1 | ||
Appearance | colorless 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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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.
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