4-Amino-N-(4,6-dimethylpyrimidin-2-yl) benzene-13C6-sulfonamide

Sulfadimidine 13C6 x 0.5 Wasser (CAS 77643-91-5) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. Built for LC-MS/MS calibration standard workflows and GC-MS measurements, it enables traceable, quantitative results from the first run. The carbon-13 labeling strengthens analyte identification, improves selectivity, and supports reliable peak assignment in complex matrices.

Use this reference standard to establish calibration curves, verify retention time stability, and confirm transitions. It integrates smoothly into routine and research workflows, and it supports rigorous documentation needs.

• Optimized for LC-MS/MS and GC-MS analytical quantification
• Traceability ensured through gravimetric preparation and documented purity
• Robust calibration across broad dynamic ranges
• Effective for method validation and confirmatory analysis
• Stable isotope labeling enhances mass spectral discrimination

Typical use cases include regulated laboratories, pharmaceutical research, residue control programs, metabolism studies, and multi-residue method development. Analysts use it to verify recovery, monitor matrix effects, and demonstrate accuracy during validation. With clear documentation and consistent performance, it supports audits and long-term data integrity.

• Residue control: strengthen identification points and reduce false positives
• Pharmaceutical and veterinary studies: characterize metabolism and transformation
• Method development: fine-tune MRM transitions and collision energies
• Quality control: monitor day-to-day instrument response and drift

Sulfadimidine 13C6 x 0.5 Wasser (CAS 77643-91-5) delivers dependable performance in calibration, traceability, and confirmation. It helps you validate precision and trueness while maintaining streamlined reporting. Choose this reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH to support confident, reproducible quantitative analysis.

You can download your Safety Data Sheet for SA009

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