X0751

Sigma-Aldrich

L-Xylulose

~95%, syrup

Synonym(s):
threo-2-Pentulose, L-threo-Pentulose
Empirical Formula (Hill Notation):
C5H10O5
CAS Number:
Molecular Weight:
150.13
MDL number:
PubChem Substance ID:

assay

~95%

form

syrup

color

light yellow

storage temp.

2-8°C

SMILES string

OC[C@H](O)[C@H](O)C(=O)CO

InChI

1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h3,5-8,10H,1-2H2/t3-,5-/m0/s1

InChI key

ZAQJHHRNXZUBTE-UCORVYFPSA-N

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Biochem/physiol Actions

L-Xylulose, ketopentose monosaccharide, is a nonpshosphorylated intermediate in the glucoronic acid pathway. L-Xylulose accumulates in the urine patients with pentosuria and cirrhosis.
L-xylulose is a monosaccharide which contains five carbon atoms, and includes a ketone functional group.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

WGK Germany

3

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C

Certificate of Analysis
Certificate of Origin
Fuzhi Lu et al.
Applied microbiology and biotechnology, 103(16), 6473-6481 (2019-07-04)
Polyol dehydrogenases (PDHs) play a pivotal role in the biotransformation between rare sugar and alcohol. Among these PDHs, mannitol 2-dehydrogenase (MDH, EC 1.1.1.67), galactitol 2-dehydrogenase (GDH, EC 1.1.1.16), ribitol 2-dehydrogenase (RDH, EC 1.1.1.56), xylitol 4-dehydrogenase (XDH, EC 1.1.1.14), and arabitol...
Touster, O.
Methods Carbohydr. Chem., 1, 98-98 (1962)
Vinit Choudhary et al.
Carbohydrate research, 368, 89-95 (2013-01-29)
We present electronic structure calculations on the isomerization and epimerization of xylose to xylulose and lyxose, respectively, by a zeolite Sn-BEA model at the MP2 and B3LYP theory levels. Benchmarking calculations at the CCSD(T) theory level are also presented. We...
César Fonseca et al.
Enzyme and microbial technology, 48(6-7), 518-525 (2011-11-25)
Ethanolic fermentation of lignocellulose raw materials requires industrial xylose-fermenting strains capable of complete and efficient D-xylose consumption. A central question in xylose fermentation by Saccharomyces cerevisiae engineered for xylose fermentation is to improve the xylose uptake. In the current study...
Le Tho Son et al.
FEBS letters, 585(9), 1310-1316 (2011-04-12)
Dicarbonyl/L-xylulose reductase (DCXR) converts l-xylulose into xylitol, and reduces various α-dicarbonyl compounds, thus performing a dual role in carbohydrate metabolism and detoxification. In this study, we identified DHS-21 as the only DCXR ortholog in Caenorhabditis elegans. The dhs-21 gene is...

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