Description

L-Xylose is a naturally occurring pentose sugar, a key monosaccharide with the molecular formula C5H10O5. This compound serves as a fundamental chiral building block and intermediate in the synthesis of complex carbohydrates, nucleosides, and various fine chemicals. It is essential for research and development in the pharmaceutical, nutraceutical, and food science industries, where its unique stereochemistry and biological activity are leveraged.

Application

• Pharmaceutical Intermediate: Used in the synthesis of nucleoside analogs, antiviral drugs, and other active pharmaceutical ingredients (APIs) where specific sugar stereochemistry is required.
• Biochemical Research: Serves as a standard, substrate, or precursor in enzymatic studies, metabolic pathway analysis, and carbohydrate chemistry research.
• Food & Flavor Industry: Acts as a low-calorie sweetener precursor and a starting material for the production of flavor enhancers like xylitol through reduction processes.
• Cosmetic & Personal Care: Utilized in the formulation of moisturizing agents and skin-conditioning products due to its humectant properties.
• Microbiological Media: Employed as a selective carbon source in culture media for the identification and growth of specific microorganisms.
• Chiral Resolution Agent: Used in the separation of enantiomers in racemic mixtures due to its inherent chirality.

Basic Information

Product Name	L-Xylose
CAS No.	609-06-3
Molecular Formula	C5H10O5
Molecular Weight	150.13 g/mol
Synonyms	L-(+)-Xylose; (2S,3R,4S)-2,3,4,5-Tetrahydroxypentanal; L-Xylopentose; L-Xylopyranose; Threo-pentose; Wood Sugar (L-form); Contact for additional synonyms.
EINECS	210-101-4

Quality Control

Our L-Xylose is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and specific impurity profiles are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Specific Rotation	+18.5° to +22.0° (c=10 in H2O)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.