Description

3-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl is a specialized, high-purity chlorinated biphenyl derivative with a methylsulfonyl functional group. This compound is of significant interest in analytical chemistry and environmental research, serving as a critical reference standard for the identification and quantification of persistent organic pollutants. It is primarily utilized by research institutions, environmental testing laboratories, and chemical manufacturers engaged in method development, quality control, and regulatory compliance.

Application

• Analytical Reference Standard: Primary use as a certified standard for calibrating equipment (GC-MS, HPLC) in environmental pollutant analysis.
• Environmental Research: Critical for studying the environmental fate, bioaccumulation, and metabolic pathways of polychlorinated biphenyl (PCB) sulfones.
• Method Development & Validation: Essential for developing and validating new analytical methods in compliance with EPA, EU, and other international regulations.
• Quality Assurance/Quality Control (QA/QC): Used as an internal standard to ensure accuracy and precision in laboratory testing for PCBs and their metabolites.
• Toxicological Studies: Employed in research to investigate the toxicity and health effects of specific PCB metabolites.
• Regulatory Compliance Testing: Supports testing for regulatory frameworks concerning persistent organic pollutants (POPs) under the Stockholm Convention.

Basic Information

Item	Detail
Product Name	3-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl
CAS No.	66640-60-6
Molecular Formula	C13H7Cl5O2S
Molecular Weight	410.43 g/mol
Synonyms	3-(Methylsulfonyl)-2,2',4',5,5'-pentachlorobiphenyl; PCB Sulfone Metabolite; 2,2',4',5,5'-Pentachloro-3-(methylsulfonyl)biphenyl; 3-MeSO2-2,2',4',5,5'-pentaCB; Methylsulfonyl Pentachlorobiphenyl; 3-MS-PCB 101; CAS 66640-60-6
EINECS	Contact for details

Quality Control

Every batch of 3-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl is produced and analyzed under strict quality management protocols. We guarantee high chemical purity and lot-to-lot consistency, which is critical for its use as a reference material. Comprehensive characterization is performed using advanced analytical techniques including HPLC, GC-MS, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and trace impurities is provided with each shipment to support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment 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.