4-Amino-N-(3,4-dimethylisoxazol-5-yl)benzenesulfonamide

Sulfisoxazole Sulfafurazole (CAS 127-69-5) is a high-quality reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. This sulfonamide antibiotic reference supports LC-MS/MS and GC-MS workflows for precise calibration and robust quantification. Use it as a GC-MS quantification standard to establish linearity, sensitivity, and accuracy from method development through routine analysis.

The material enables traceable calibration and reliable method validation. It helps verify recovery, selectivity, and matrix robustness in complex samples. Analysts apply this reference standard for confirmatory analysis, ensuring clear identification and accurate reporting. Its well-defined purity and documented identity help maintain data integrity across batches. With careful handling, the standard integrates seamlessly into both targeted assays and multi-analyte screens.

Typical applications include:

• Residue control in food, feed, and environmental matrices
• Pharmaceutical research and metabolism studies
• Development of multi-residue methods in LC-MS/MS and GC-MS
• Quality control and proficiency testing in regulated laboratories
• Verification of instrument performance and calibration stability

Each lot is designed to support traceability and consistent results, backed by documentation suitable for audits and routine QA checks. The reference standard is compatible with common solvent systems and sample preparation approaches. It helps reduce rework, speeds up validation, and provides confidence in confirmatory analysis. When you source Sulfisoxazole Sulfafurazole (CAS 127-69-5) from WITEGA Laboratorien Berlin-Adlershof GmbH, you benefit from dependable supply, expert support, and materials tailored for LC-MS/MS and GC-MS quantification. Choose this reference standard to strengthen calibration, streamline method validation, and ensure defensible results across diverse workflows.

You can download your Safety Data Sheet for SA055

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