Description

4-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl is a specialized polychlorinated biphenyl (PCB) derivative featuring a methylsulfonyl functional group. This compound is of significant interest in analytical chemistry and environmental research as a key reference standard for the detection and quantification of PCB metabolites. It is primarily utilized by research institutions, environmental testing laboratories, and chemical manufacturers engaged in the study of persistent organic pollutants (POPs) and their metabolic pathways.

Application

• Environmental Analysis Reference Standard: Critical for calibrating instruments and validating methods in the analysis of PCB sulfone metabolites in soil, water, and biological samples.
• Toxicological Research: Used as a pure standard in studies investigating the metabolism, bioaccumulation, and toxicological effects of chlorinated biphenyl compounds.
• Method Development & Validation: Serves as an essential component in developing and certifying new analytical protocols (e.g., GC-MS, LC-MS) for pollutant monitoring.
• Regulatory Compliance Testing: Employed by commercial testing labs to ensure analytical accuracy for reports related to environmental regulations (e.g., Stockholm Convention on POPs).
• Chemical Synthesis Intermediate: Acts as a building block for the synthesis of more complex molecules used in specialized research applications.
• Quality Control in Manufacturing: Used by producers of analytical standards and high-purity chemicals to benchmark product purity and consistency.

Basic Information

Product Name	4-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl
CAS No.	66640-61-7
Molecular Formula	C13H7Cl5O2S
Molecular Weight	410.53 g/mol
Synonyms	2,2',4',5,5'-Pentachloro-4-(methylsulfonyl)biphenyl; PCB Sulfone Metabolite; 4-Methylsulphonyl-2,2',4',5,5'-pentachlorobiphenyl; 4-MeSO2-CB101; 4-Methylsulfonyl-PCB 101; 4-MS-PCB 101; 4-Hydroxy-2,2',4',5,5'-pentachlorobiphenyl (related metabolite); 4-MeSO2-2,2',4',5,5'-pentaCB
EINECS	Contact for details

Quality Control

Every batch of 4-Methylsulfonyl-2,2',4',5,5'-Pentachlorobiphenyl is produced and analyzed under strict quality management protocols to ensure the highest standards of identity, purity, and stability required for research and analytical applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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 product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

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.