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D-Xylose

CAS# 31178-70-8

D-Xylose

Catalog No. BCC8320----Order now to get a substantial discount!

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Chemical structure

D-Xylose

3D structure

Chemical Properties of D-Xylose

Cas No. 31178-70-8 SDF Download SDF
PubChem ID 229 Appearance Powder
Formula C5H10O5 M.Wt 150
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name oxane-2,3,4,5-tetrol
SMILES C1C(C(C(C(O1)O)O)O)O
Standard InChIKey SRBFZHDQGSBBOR-UHFFFAOYSA-N
Standard InChI InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

D-Xylose Dilution Calculator

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D-Xylose Molarity Calculator

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Preparing Stock Solutions of D-Xylose

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 6.6667 mL 33.3333 mL 66.6667 mL 133.3333 mL 166.6667 mL
5 mM 1.3333 mL 6.6667 mL 13.3333 mL 26.6667 mL 33.3333 mL
10 mM 0.6667 mL 3.3333 mL 6.6667 mL 13.3333 mL 16.6667 mL
50 mM 0.1333 mL 0.6667 mL 1.3333 mL 2.6667 mL 3.3333 mL
100 mM 0.0667 mL 0.3333 mL 0.6667 mL 1.3333 mL 1.6667 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on D-Xylose

In vitro reconstitution and characterisation of the oxidative D-xylose pathway for production of organic acids and alcohols.[Pubmed:30972503]

AMB Express. 2019 Apr 11;9(1):48.

The oxidative D-Xylose pathway, i.e. Dahms pathway, can be utilised to produce from cheap biomass raw material useful chemical intermediates. In vitro metabolic pathways offer a fast way to study the rate-limiting steps and find the most suitable enzymes for each reaction. We have constructed here in vitro multi-enzyme cascades leading from D-Xylose or D-xylonolactone to ethylene glycol, glycolic acid and lactic acid, and use simple spectrophotometric assays for the read-out of the efficiency of these pathways. Based on our earlier results, we focussed particularly on the less studied xylonolactone ring opening (hydrolysis) reaction. The bacterial Caulobacter crescentus lactonase (Cc XylC), was shown to be a metal-dependent enzyme clearly improving the formation of D-xylonic acid at pH range from 6 to 8. The following dehydration reaction by the ILVD/EDD family D-xylonate dehydratase is a rate-limiting step in the pathway, and an effort was made to screen for novel enolase family D-xylonate dehydratases, however, no suitable replacing enzymes were found for this reaction. Concerning the oxidation of glycolaldehyde to glycolic acid, several enzyme candidates were also tested. Both Escherichia coli aldehyde dehydrogenase (Ec AldA) and Azospirillum brasilense alpha-ketoglutarate semialdehyde dehydrogenase (Ab AraE) proved to be suitable enzymes for this reaction.

Hydrothermal Dehydration of Monosaccharides Promoted by Seawater: Fundamentals on the Catalytic Role of Inorganic Salts.[Pubmed:30968011]

Front Chem. 2019 Mar 22;7:132.

In biorefining, the conversion of carbohydrates under subcritical water conditions is a field of extensive studies. In particular, the hydrothermal decomposition of benchmark C6- and C5-monosaccharides, i.e., D-glucose and D-Xylose, into furanics and/or organic acids is fully considered. Herein, we propose to establish the fundamentals of the decomposition of D-glucose and D-Xylose under subcritical water conditions in the presence of specific salts (i.e., NaCl and KI) and in seawater. Our results demonstrated that the introduction of inorganic salts was found to modify sugars dehydration yields. Different NaCl concentrations from 0.21 to 1.63 mol L(-1) promoted the conversion of D-Xylose to 2-furfural (2-F) from 28 to 44% (molar yield). NaCl also improved 5-hydroxymethylfurfural (5-HMF) generation from D-glucose as well as rehydration of 5-HMF to levulinic and formic acid. KI favored other pathways toward formic acid production from D-glucose, reaching 20% in the upper concentration. Compared to a solution of equivalent NaCl concentration, seawater enhanced selectivity toward lactic acid which was raised by 10% for both monosaccharides, and sugars conversion, especially for D-glucose whose conversion was increased by 20%. 5-HMF molar yield around 30% were achieved from D-glucose in seawater at 211 degrees C and 20 bars after 15 min.

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