Description

L-[2-13C]Xylose is a stable isotope-labeled analog of the pentose sugar D-xylose, specifically enriched with carbon-13 at the C-2 position. This high-purity labeled compound is essential for advanced metabolic research, enabling precise tracking and quantification of biochemical pathways. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and nutritional science industries for tracer studies, NMR spectroscopy, and mass spectrometry applications.

Application

• Metabolic Flux Analysis (MFA): Used as a 13C-labeled tracer to map and quantify carbon flow through central metabolic pathways in microbial, plant, and mammalian systems.
• Drug Metabolism & Pharmacokinetics (DMPK): Serves as an internal standard or tracer in mass spectrometry for studying the absorption, distribution, metabolism, and excretion (ADME) of pharmaceutical compounds.
• NMR Spectroscopy: Provides a distinct signal for structural elucidation and dynamic studies of carbohydrate metabolism and glycoconjugate biosynthesis.
• Nutritional Research: Investigates human and animal gut microbiome function, short-chain fatty acid production, and fiber fermentation dynamics.
• Biotechnological Process Development: Optimizes microbial fermentation for the production of biofuels, biochemicals, and recombinant proteins by analyzing pathway efficiency.
• Diagnostic Agent Development: Potential use in the formulation of advanced diagnostic probes for medical imaging and functional assays.

Basic Information

Product Name	L-[2-13C]Xylose
CAS No.	478506-63-7
Molecular Formula	C5H10O5 (with 13C at C-2)
Molecular Weight	151.13 g/mol (for 13C-labeled form)
Synonyms	(2-13C)-L-Xylose; L-Xylose-2-13C; 2-13C-L-Xylopyranose; [2-13C]-L-Xylose; Isotope-labeled L-Xylose; Carbon-13 labeled L-Xylose; Stable Isotope L-Xylose; L-Xylose (2-13C)
EINECS	Contact for details

Quality Control

Our L-[2-13C]Xylose is manufactured under strict quality control protocols to ensure exceptional isotopic and chemical purity, suitable for sensitive analytical applications. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, chemical purity, and specific analytical results. We adhere to cGMP principles where applicable, and our quality system is designed to meet the rigorous standards of research and pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a cool, dry place. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Isotopic Enrichment	≥ 99 atom % 13C
Chemical Purity (HPLC)	≥ 98.0%
Specific Optical Rotation	Contact for details
Water Content (KF)	≤ 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.