Description

o-Xylene-(Ring-Ul-14C) CAS NO 203389-44-0 is a carbon-14 labeled isotopologue of o-xylene, a critical aromatic hydrocarbon. This labeled compound is essential for advanced research requiring precise tracking of molecular fate and metabolic pathways. It is primarily utilized by scientists and industrial R&D teams in pharmaceutical development, environmental science, and chemical synthesis research for tracer studies and analytical method development.

Application

• Metabolic and Pharmacokinetic Tracer Studies in pharmaceutical and toxicological research.
• Environmental Fate and Biodegradation Studies of xylene isomers in soil and water systems.
• Mechanistic Organic Chemistry Research to elucidate reaction pathways and intermediates.
• Internal Standard and Calibration for advanced analytical techniques like LC-MS and GC-MS.
• Chemical Process Research for tracking specific carbon atoms in catalytic and synthetic processes.
• Development and Validation of regulatory-compliant analytical methods.

Basic Information

Product Name	o-Xylene-(Ring-Ul-14C)
CAS No.	203389-44-0
Molecular Formula	C8H10 (14C-labeled)
Molecular Weight	~108.16 g/mol (varies with specific activity)
Synonyms	1,2-Dimethylbenzene-(Ring-Ul-14C); ortho-Xylene-(Ring-Ul-14C); [Ring-U-14C]-o-Xylene; 14C-o-Xylene; Radiolabeled o-Xylene; Carbon-14 Labeled o-Xylene; o-Xylene (uniformly labeled in the ring); 1,2-Dimethyl-14C6-benzene
EINECS	Contact for details

Quality Control

Every batch of o-Xylene-(Ring-Ul-14C) is manufactured and analyzed under strict quality systems. We provide comprehensive analytical documentation to support your research integrity. Certificates of Analysis (COA) are supplied with each shipment, detailing key parameters such as radiochemical purity, chemical purity, and specific activity. Our quality commitment ensures traceability and compliance with good laboratory practice (GLP) standards for research chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place, away from heat and ignition sources. Due to its highly volatile nature, ensure containers are kept upright and securely sealed. Recommended storage temperature is 2-8°C (refrigerated) for optimal long-term stability of the radiochemical.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR/NMR)	Conforms to structure
Radiochemical Purity (HPLC)	≥ 98%
Chemical Purity (GC)	≥ 99%
Specific Activity	Customizable (mCi/mmol)
Solvent	Toluene or other suitable solvent
Concentration	As per customer requirement

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