O,O’-Diethyl-S-[2-(ethylsulfonyl)ethyl] phosphorothioate

Disulfoton oxon sulfoxide (CAS 2496-92-6) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. Laboratories rely on this material for LC-MS/MS and GC-MS quantification, traceability, calibration, method validation, and confirmatory analysis. It supports consistent results across residue control programs and multi-residue methods. You can integrate it smoothly into routine screening and research workflows.

We manufacture this reference standard with strict quality controls to ensure reliable data. Identity and purity are verified with state-of-the-art techniques, while gravimetric preparation secures traceability. Lot-specific documentation helps you build defensible calibration curves, assess matrix effects, and verify recoveries and precision.

• Regulated laboratories: quantitative screening and confirmation
• Pharmaceutical research: metabolite elucidation and impurity profiling
• Residue control: food, feed, and environmental monitoring
• Environmental fate studies: transformation and degradation assessment
• Multi-residue method development: MRM optimization and ion ratio checks

Prepare calibration and quality-control levels by serial dilution in suitable solvents. Spike matrices at relevant levels to evaluate recovery, linearity, LOD, and LOQ. During method validation, use the reference standard to test robustness, carryover, and instrument performance. For confirmatory analysis, verify retention time, qualifier transitions, and ion ratios in LC-MS/MS or GC-MS.

WITEGA Laboratorien Berlin-Adlershof GmbH supplies clearly labeled lots with expiry and storage guidance. On request, we provide custom concentrations, solution formats, and ready-to-use mixtures for your platform. The Disulfoton oxon sulfoxide (CAS 2496-92-6) reference standard strengthens traceability from calibration through routine analysis and supports audits, compliance, and data integrity.

• High purity and stability-tested for dependable performance
• Traceable documentation with comprehensive CoA and SDS
• Optimized for LC-MS/MS and GC-MS quantification
• Designed for method validation and confirmatory criteria

You can download your Safety Data Sheet for PS261

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