Sulfapyridine-D₄

4-Amino-N-pyridin-2-yl-benzene-D₄-sulfonamide

The reference standard Sulfapyridine-D₄ (CAS Reg. No. 1189863-86-2) supports many demanding analytical applications. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, this compound gives reliable analytical quantification, excellent traceability, and strong accuracy. Laboratories across regulated sectors use this reference standard to validate LC-MS/MS and GC-MS workflows, and to improve confirmatory analysis results.

This reference standard performs consistently even when used in complex matrices. Analysts rely on it during calibration because the response curve remains stable. Furthermore, its purity enables traceability that improves the outcome of multi-residue method development. As a result, pharmaceutical research groups and residue control laboratories gain reproducible and defensible results. The clear documentation and well-characterized performance support routine testing as well as more advanced method validation.

Typical applications include:

• LC-MS/MS trace-level quantification
• GC-MS calibration in regulated environments
• Reliable confirmatory analysis procedures
• Support for multi-residue screening workflows
• Pharmaceutical and metabolism research studies

Every batch from WITEGA Laboratorien Berlin-Adlershof GmbH undergoes strict quality control. As a result, laboratories receive a dependable reference standard used during high-precision quantification. It streamlines day-to-day laboratory procedures, improves confidence in analytical data, and remains a valuable choice when reproducibility and traceability matter. Researchers benefit from its stability in both short-term and long-term analytical projects, making Sulfapyridine-D₄ an excellent option for various quantitative workflows.

You can download your Safety Data Sheet for SA080

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