Description

4-Methylsulfonyl-2,3',4',5-Tetrachlorobiphenyl is a specialized polychlorinated biphenyl (PCB) derivative featuring a methylsulfonyl functional group. This compound is of significant interest in environmental and analytical chemistry as a key reference standard and metabolite for studying the environmental fate and toxicological profile of PCBs. It serves as a critical material for researchers and quality control laboratories in the environmental monitoring, industrial hygiene, and regulatory compliance sectors who require high-purity analytical standards.

Application

• Environmental Analysis Reference Standard: Primary use as a certified reference material (CRM) for the quantification of PCB metabolites in soil, water, and biological samples.
• Toxicological Research: Used in studies investigating the metabolic pathways, bioaccumulation, and health effects of polychlorinated biphenyls and their derivatives.
• Method Development & Validation: Essential for developing and calibrating analytical methods such as GC-MS and HPLC-MS in environmental testing laboratories.
• Regulatory Compliance Testing: Employed as a standard to ensure accuracy and traceability in testing protocols mandated by environmental protection agencies globally.
• Industrial Hygiene Monitoring: Used to calibrate equipment for workplace air and surface monitoring in industries with historical PCB use.
• Metabolite Identification: Serves as a definitive standard for identifying and confirming PCB sulfone metabolites in complex biological matrices.

Basic Information

Product Name	4-Methylsulfonyl-2,3',4',5-Tetrachlorobiphenyl
CAS No.	69797-51-9
Molecular Formula	C13H8Cl4O2S
Molecular Weight	374.08 g/mol
Synonyms	2,3',4',5-Tetrachloro-4-(methylsulfonyl)biphenyl; PCB Sulfone Metabolite; 4-Methylsulfonyl-2,3',4',5-Tetrachlorodiphenyl; 2,3',4',5-Tetrachlorobiphenyl-4-yl Methyl Sulfone; 4-(Methylsulfonyl)-2,3',4',5-tetrachlorobiphenyl
EINECS	Contact for details

Quality Control

Our high-purity reference standards are manufactured under strict quality management systems. Each batch undergoes comprehensive analysis using advanced techniques including HPLC, GC-MS, and NMR to confirm identity and purity. A detailed Certificate of Analysis (COA) is provided with each shipment, ensuring traceability and compliance with relevant standards for analytical and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.