| Product No. | PS450 |
|---|---|
| CAS Reg. No. | 321-54-0 |
| Alternate CAS Reg. No. | - |
| Offer | 10 mg |
321-54-0
- Documentation
- Details
O-[3-Chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl]-O’,O’’-diethyl phosphate
Coumaphos oxon (CAS Reg. No. 321-54-0) is a high-quality reference standard designed for advanced analytical applications in pharmaceutical, environmental, and food safety laboratories. This certified material supports accurate LC-MS/MS and GC-MS quantification workflows. In addition, it enables reliable calibration, traceability, confirmatory analysis, and method validation procedures. WITEGA Laboratorien Berlin-Adlershof GmbH produces and distributes this reference standard according to strict quality requirements for regulated laboratory environments.
Coumaphos oxon is widely used in residue analysis and metabolism studies involving organophosphorus compounds. Laboratories apply this reference standard to improve analytical precision during multi-residue method development and routine quality control. Furthermore, the product supports sensitive detection workflows in veterinary drug analysis, toxicological investigations, and environmental monitoring programs.
The reference standard is suitable for laboratories performing:
- LC-MS/MS analytical quantification
- GC-MS confirmatory analysis
- Calibration of analytical instruments
- Method validation and performance verification
- Residue control in food and feed testing
- Pharmaceutical and toxicology research
- Metabolism and degradation studies
- Multi-residue screening methods
Analytical laboratories require dependable materials to ensure reproducible and traceable results. Therefore, WITEGA Laboratorien Berlin-Adlershof GmbH provides Coumaphos oxon as a reliable reference standard for accredited testing facilities and research institutions. The product supports laboratories working under international regulatory frameworks and quality assurance systems.
This reference standard helps scientists maintain consistent analytical performance while improving data reliability in demanding analytical applications. Moreover, it assists laboratories in achieving accurate identification and quantification of analytes in complex sample matrices. As a result, Coumaphos oxon remains an important tool for modern chromatographic and mass spectrometric workflows.
Safety Data Sheet
You can download your Safety Data Sheet for PS450
For other languages please contact us: witega@witega.de
Additional information
| Molecular Weight | 346.70 g/mol |
|---|---|
| Chemical name | O-[3-Chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl]-O’,O’’-diethyl phosphate |
| Molecular Formula | C14H16ClO6P |
| Isotopic purity | - |
| HPLC purity | >99.0 % |
| Overall purity | >99.0 % |
| Product Format | Neat |
| Delivery time | In stock |
| Shelf life | 24 months |
| Storage | Refrigerator, 2-8°C |
| Country of Origin | Germany |
| Product No. | |
| CAS Reg. No. | |
| Alternate CAS Reg. No. | – |
| Offer | 10 mg |
| MSDS_English | https://witega.de/wp-content/uploads/2026/05/PS450-Coumaphos-oxon-WITEGA-en.pdf |
| MSDS_Deutsch | https://witega.de/wp-content/uploads/2026/05/PS450-Coumaphos-oxon-WITEGA-de.pdf |





