Description

m-Xylene-Alpha,Alpha'-13C2 is a stable isotope-labeled analog of m-xylene, specifically enriched with carbon-13 at two key positions. This compound is essential for advanced analytical and research applications where precise molecular tracing and quantification are required. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, environmental science, and advanced materials sectors for use as an internal standard in mass spectrometry and NMR spectroscopy.

Application

• Internal Standard for Quantitative Analysis: Used in Gas Chromatography-Mass Spectrometry (GC-MS) and Liquid Chromatography-Mass Spectrometry (LC-MS) for accurate quantification of m-xylene and related compounds in complex matrices.
• Metabolic Pathway Tracing: Employed in biomedical and environmental research to study the biodegradation, metabolic fate, and environmental transport of xylene isomers.
• NMR Spectroscopy: Serves as a valuable probe in nuclear magnetic resonance studies for structural elucidation and kinetic analysis due to its distinct isotopic signature.
• Pharmaceutical Impurity Profiling: Acts as a reference standard in the development and validation of analytical methods for impurity identification in drug substances and products.
• Environmental Monitoring: Used to calibrate instruments and validate methods for detecting and measuring volatile organic compound (VOC) pollutants in air, water, and soil samples.
• Chemical Synthesis Research: Functions as a labeled starting material or intermediate in the synthesis of more complex 13C-labeled compounds for research purposes.

Basic Information

Product Name	m-Xylene-Alpha,Alpha'-13C2
CAS No.	117713-57-2
Molecular Formula	C6H4(13CH3)2
Molecular Weight	108.15 g/mol
Synonyms	1,3-Dimethylbenzene-alpha,alpha'-13C2; m-Xylene-13C2 (specific); 1,3-Xylene-13C2; meta-Xylene-13C2; 13C Labeled m-Xylene; [13C2]-m-Xylene; Isotopically Labeled m-Xylene; Benzene, 1,3-dimethyl- (13C2)
EINECS	Contact for details

Quality Control

Every batch of m-Xylene-Alpha,Alpha'-13C2 is manufactured and analyzed under strict quality management protocols to ensure exceptional isotopic and chemical purity, consistency, and reliability for sensitive analytical applications. Our quality assurance includes rigorous testing via GC, GC-MS, NMR, and isotopic enrichment analysis. A comprehensive Certificate of Analysis (COA) detailing batch-specific results for identity, purity, isotopic enrichment, and solvent residues is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at controlled room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. Ensure containers are securely sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR / NMR)	Conforms to structure
Purity (GC)	≥ 98.0%
Isotopic Enrichment	≥ 99 atom % 13C (at labeled positions)
Chemical Purity (by GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Residual Solvents (GC)	Meets ICH guidelines

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