Description

2,3,3',4,4',5,5'-Heptacb (Pcb-189) (13C12, 99%) 40+/-2 Ug/Ml In Nonane is a high-purity, isotopically labeled reference standard, specifically formulated for analytical calibration and method validation. This product is essential for ensuring the accuracy and reliability of trace-level analysis in complex matrices. It is primarily required by analytical laboratories, regulatory bodies, and research institutions involved in environmental monitoring, food safety testing, and toxicological studies.

Application

• Quantitative Analytical Reference Standard for the precise calibration of GC-MS, LC-MS, and HRGC/HRMS systems in PCB analysis.
• Method Development & Validation for establishing and verifying analytical procedures for dioxin-like PCBs in compliance with EPA, EU, and other international guidelines.
• Quality Assurance/Quality Control (QA/QC) in environmental testing laboratories for the analysis of soil, sediment, water, and air samples.
• Food and Feed Safety Analysis for the detection and quantification of PCB-189 as a marker congener in fatty foods, fish, and animal feed.
• Toxicological and Biomedical Research as an internal standard for studying the metabolism, bioaccumulation, and health impacts of dioxin-like compounds.
• Proficiency Testing & Inter-laboratory Comparisons to ensure consistency and accuracy of results across different testing facilities.

Basic Information

Product Name	2,3,3',4,4',5,5'-Heptacb (Pcb-189) (13C12, 99%) 40+/-2 Ug/Ml In Nonane
CAS No.	208263-73-4
Molecular Formula	C12H3Cl7 (unlabeled); 13C12H3Cl7 (labeled)
Molecular Weight	~395.32 g/mol (unlabeled); ~407.32 g/mol (labeled)
Synonyms	PCB 189; 2,3,3',4,4',5,5'-Heptachlorobiphenyl; 2,3,3',4,4',5,5'-Heptacb; Heptacb 189; [13C12]-PCB 189; Carbon-13 Labeled PCB-189; Isotopically Labeled PCB Standard; Dioxin-like PCB Congener 189; IUPAC No. 189; CAS 208263-73-4
EINECS	Contact for details

Quality Control

Every batch of this isotopically labeled reference material is manufactured and verified under strict quality protocols to ensure identity, purity, and concentration accuracy. Quality is confirmed against certified primary standards using advanced chromatographic and spectrometric techniques. A comprehensive Certificate of Analysis (COA) is supplied with each unit, detailing the exact concentration, isotopic enrichment, purity, and analytical method data, supporting compliance with ISO/IEC 17025 and GLP standards.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C (refrigerated). For long-term stability, storage at -20°C is recommended. The solution is provided in nonane, which is flammable; keep away from heat, sparks, and open flame.

Specification

Item	Specification
Product Form	Solution in Nonane
Concentration	40 ± 2 µg/mL
Analyte	2,3,3',4,4',5,5'-Heptachlorobiphenyl (PCB-189)
Isotopic Labeling	13C12 (12 Carbon-13 atoms)
Isotopic Purity (Enrichment)	≥ 99%
Chemical Purity (by GC-MS)	≥ 98%
Identification	Conforms (GC-MS, HRMS)
Solvent	Nonane (HPLC/GC Grade)

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