L-xylose

ChemicalBook > CAS DataBase List > L-xylose

Product Name: L-xylose
CAS No.: 609-06-3
Chemical Name: L-xylose
Synonyms: XYLOSE;L-(-)-XYLOSE;(2S,3R,4S)-2,3,4,5-Tetrahydroxypentanal;L-XYL;L-XYLOSE;XYLOSE, L;L-Xylose,99%;laevo-xylose;L-Xylose (9CI);L(-)XYLOSE 99%
CBNumber: CB0357344
Molecular Formula: C5H10O5
Formula Weight: 150.13
MOL File: 609-06-3.mol

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L-xylose Property

Melting point:: 150-152 °C(lit.)
Boiling point:: 191.65°C (rough estimate)
Density: 1.525
refractive index: -20 ° (C=10, H2O)
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
solubility: H₂O: 0.1 g/mL, clear, colorless
form: Crystalline Powder
pka: 12.46±0.20(Predicted)
color: White to off-white
optical activity: [α]24/D 18.7°, c = 4 in H2O
Water Solubility: within almost transparency
Sensitive: Hygroscopic
BRN: 1723080
InChIKey: SRBFZHDQGSBBOR-VVZXFQNISA-N
LogP: -2.390 (est)
CAS DataBase Reference: 609-06-3(CAS DataBase Reference)
EPA Substance Registry System: L-Xylose (609-06-3)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 24/25-36-26
WGK Germany: 3
F: 3-10
TSCA: Yes
HS Code: 29400000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 851590
Product name: L-(?)-Xylose, mixture of anomers
Purity: ≥99%
Packaging: 5g
Price: $29.94
Updated: 2024/03/01

Sigma-Aldrich

Product number: 851590
Product name: L-(?)-Xylose, mixture of anomers
Purity: ≥99%
Packaging: 25g
Price: $56.6
Updated: 2024/03/01

TCI Chemical

Product number: X0021
Product name: L-(-)-Xylose
Purity: >97.0%(T)
Packaging: 5g
Price: $67
Updated: 2024/03/01

TCI Chemical

Product number: X0021
Product name: L-(-)-Xylose
Purity: >97.0%(T)
Packaging: 25g
Price: $267
Updated: 2024/03/01

Alfa Aesar

Product number: B21622
Product name: L-(-)-Xylose, 99%
Packaging: 5g
Price: $46.65
Updated: 2024/03/01

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L-xylose Chemical Properties,Usage,Production

Chemical Properties

L-Xylose is a white fine crystalline powder. It is an aldopentose that has a molecular formula C5H10O5 and a molar mass of 150.13 g/mol. The structure of L-xylose is presented in Figure 1. The optical rotations of D- and L-xylose are α20D = -18.6° and α20D = +18.6°, respectively (Fischer and Ruff, 1900). L-Xylose can exist in open chain form, as a pyranose or as a furanose. The relative concentrations of different stereoisomers have not been specified for L-xylose. However, for D-xylose the distribution of different forms in water are: 36.5% α-pyranose, 6% β-pyranose and less than 1 % in open chain and furanose form (Pastinen, 2000). Most likely L-xylose acts similarly to its enantiomer, and thus pyranose rings are predominant.

Figure 1. Structure of L-xylose A) as a Fischer projection, B) as a ball and stick model in acyclic form and C) as a ball and stick model in pyranose ring form.

Uses

L-Xylose is used in the synthesis of L-Xylose derivatives as selective sodium-dependent glucose cotransporter 2 (SGLT2) inhibitors for the treatment of type 2 diabetes.

Application

l-Xylose is a suitable starting material for the production of L-ribonucleosides. L- Xylose can be converted into an L-ribose derivative via oxidation and reduction steps. This product is then glycosylated to give L-ribonucleosides: L-uridine, L-cytidine, L- adenosine and L-guanosine (Moyroud and Strazewski, 1999; Chelain et al., 1995).
L-Xylose can also be used as a starting material for the production of polyhydroxypyrrolidines and related analogues. These compounds have many biological activities. They are shown to have anti-HIV effects, inhibit tumor growth, and also act as ?- and ?-glucosidase inhibitors, which is of relevance for the development of diabetes drugs (Behr and Guillerm, 2007).

Preparation

L-Xylose can be produced from L-xylulose by isomerization. This can be achieved either enzymatically or chemically under alkaline conditions. The equilibrium of the reaction between D-xylose and D-xylulose in an aqueous solution has been determined at pH 6.8-7.4 and at 25 °C to be 85:15 in favor of D-xylose (Tewari et al., 1985).

Definition

ChEBI: Aldehydo-L-xylose is a xylose of ring-opened form having L-configuration.

L-xylose Preparation Products And Raw materials

Raw materials

Preparation Products

acrylonitrile fiber oil 1^<#^>

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L-xylose Suppliers

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View Lastest Price from L-xylose manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: L-xylose 609-06-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98.0%
Supply Ability: 500kg/month
Release date: 2023-01-05

Zhuozhou Wenxi import and Export Co., Ltd

Product: L-XYLOSE 609-06-3
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

Career Henan Chemical Co

Product: L-XYLOSE 609-06-3
Price: US $240.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 1000kg
Release date: 2018-07-27

609-06-3, L-xyloseRelated Search:

4''-METHYLUMBELLIFERYL-B-D-XYLOSE 4-O-(β-D-Xylopyranosyl)-D-xylose 1,3-Di-O-acetyl-2-deoxy-5-O-benzoyl-D-xylofuranose 1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose D-LYXOSE XLD AGAR D(+)-Xylose,D-Xylose Wood sugar，D-(+)-Xylose,D-(+)-Xylose, 98+%,D-XYLOSE, USP,D-XYLOSE, NATURAL polyoxyethylene xylitan monostearate Monoacetone-D-xylose Forskolin Potassium bisaccharate FORSKOLIN, 7-DEACETYL-7-O-HEMISUCCINYL- 5-KETO-D-GLUCONIC ACID CALCIUM SALT L-GLUCOSE 5-Keto-D-gluconic acid L-GLUCONO-1,5-LACTONE D-(+)-XYLOSE

aldehydo-L-xylose

XYLOSE

XYLOSE, L

L-(-)-Xylose, 99+%, mixture of anomers

L(-)XYLOSE 99%

L-Xylose (9CI)

L-Xylose,99%

l-(-)-xylose, mixture of anomers

XYLOSE, L-(RG)

L-XYL

L-(-)-XYLOSE

L-XYLOSE

XYLO-PFAN (xylose)

l-[1,2-13C2]xylose

l-[UL-13C5]xylose

L-(-)-Xylose, Mixture of anoMers >=99%

(2S,3R,4S)-2,3,4,5-Tetrahydroxypentanal

L-(-)-Xylose≥ 98% (TLC)

L-(-)-Xylose,L-XYLOSE

L-XYLOSE USP/EP/BP

laevo-xylose

TIANFU-CHEM L-XYLOSE

L-(-) Xylose extrapure, 99%

L-Xylose (9CI, ACI)

609-06-3

Monosaccharides

Microbiology

ALDEHYDE

Sugars

Basic Sugars (Mono & Oligosaccharides)

Sugars for Media

Specialty Synthesis

BioChemical

Base Ingredients

Carbohydrate Sources (Sugars/Extracts)

Carbohydrate Synthesis

CARBOHYDRATE

Basic Sugars (Mono & Oligosaccharides)

Biochemistry

Sugars

Xylose

Carbohydrate Sources (Sugars/Extracts)

MonosaccharidesBase Ingredients

Sugars for Media

Carbohydrate Synthesis

Specialty Synthesis

Monosaccharides

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