Description

4-Methylsulfonyl-2,2',3,4',5',6-Hexachlorobiphenyl is a specific, high-purity sulfonated polychlorinated biphenyl (PCB) derivative, identified by CAS number 116806-76-9. This compound is of significant interest in environmental and analytical chemistry as a critical reference standard and research material for studying the metabolism, environmental fate, and toxicological profile of PCB metabolites. It is primarily required by analytical laboratories, environmental testing facilities, and research institutions engaged in advanced contaminant analysis and regulatory compliance work.

Application

• Analytical Reference Standard: Primary use as a certified standard for the precise quantification of PCB sulfone metabolites in complex environmental and biological matrices via GC-MS or LC-MS.
• Environmental Fate Studies: Research into the transformation pathways, persistence, and bioaccumulation potential of metabolized PCBs in ecosystems.
• Toxicological Research: Investigation of the specific biological activity, endocrine disruption potential, and health effects of sulfonated PCB derivatives.
• Method Development & Validation: Essential for developing, calibrating, and validating advanced analytical methods in accredited testing laboratories.
• Quality Control & Assurance: Serves as an internal control standard to ensure the accuracy and reliability of analytical data in compliance monitoring.
• Regulatory Compliance Testing: Used in testing to meet stringent international regulations concerning persistent organic pollutants (POPs).

Basic Information

Product Name	4-Methylsulfonyl-2,2',3,4',5',6-Hexachlorobiphenyl
CAS No.	116806-76-9
Molecular Formula	C13H6Cl6O2S
Molecular Weight	444.87 g/mol
Synonyms	PCB Sulfone Metabolite; 4-Methylsulfonyl-2,2',3,4',5',6-HexaCB; 2,2',3,4',5',6-Hexachloro-4-(methylsulfonyl)biphenyl; 4-MeSO2-CB149; Hexachlorobiphenyl Sulfone Derivative
EINECS	Contact for details

Quality Control

Every batch of 4-Methylsulfonyl-2,2',3,4',5',6-Hexachlorobiphenyl is produced and analyzed under strict quality protocols to ensure the highest purity and lot-to-lot consistency required for reference materials. Our quality assurance includes identity confirmation by spectroscopic methods and purity determination by chromatographic techniques. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to ensure maximum stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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