Description

3,4-Dichlorobiphenyl-2',3',4',5',6'-D5 is a deuterium-labeled isotopologue of a polychlorinated biphenyl (PCB) congener, specifically designed for use as an analytical standard. This high-purity compound is essential for ensuring accuracy and reliability in quantitative mass spectrometry and environmental analysis. It is primarily used by analytical laboratories, environmental testing facilities, and research institutions involved in the detection and quantification of PCBs, where it serves as a critical internal standard to correct for instrument variability and sample preparation losses.

Application

• Internal Standard for Mass Spectrometry (GC-MS/LC-MS): Used for the precise quantification of 3,4-dichlorobiphenyl and related PCB congeners in complex matrices.
• Environmental Analysis: Critical for monitoring and tracing PCB contamination in soil, water, sediment, and air samples to comply with environmental regulations.
• Food Safety Testing: Employed in the analysis of PCBs in food products, animal feed, and edible oils to ensure consumer safety and regulatory compliance.
• Metabolite and Degradation Studies: Used in research to track the metabolic pathways, environmental fate, and degradation products of PCBs.
• Method Development and Validation: Serves as a key reference material for developing, calibrating, and validating new analytical methods for halogenated aromatic compounds.
• Quality Control/Quality Assurance (QC/QA): Integral to laboratory QC/QA protocols, ensuring the accuracy and reproducibility of analytical data for regulatory submissions.

Basic Information

Product Name	3,4-Dichlorobiphenyl-2',3',4',5',6'-D5
CAS No.	1276197-19-3
Molecular Formula	C12H2D5Cl2
Molecular Weight	~227.12 g/mol
Synonyms	3,4-Dichlorobiphenyl-d5; PCB 13-d5; 1,2-Dichloro-4-(2,3,4,5,6-pentadeuteriophenyl)benzene; 3,4-Dichloro[2',3',4',5',6'-2H5]biphenyl; Deuterated 3,4-Dichlorobiphenyl; 3,4-DCB-d5; Isotopically Labeled PCB Standard; 3,4-Dichlorodiphenyl-d5
EINECS	Contact for details

Quality Control

Every batch of 3,4-Dichlorobiphenyl-2',3',4',5',6'-D5 is manufactured and analyzed under strict quality management systems to ensure the highest standards of isotopic purity and chemical identity required for analytical applications. Our products undergo rigorous quality testing, including NMR and mass spectrometry, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing isotopic enrichment, chemical purity, and analytical methods are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content, MS)	≥ 98 atom % D
Chemical Purity (GC)	≥ 98.0%

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