Fenbendazole sulfone

(5-Benzenesulfonyl-1H-benzimidazol-2-yl) carbamic acid methyl ester

Fenbendazole sulfone (CAS 54029-20-8) reference standard supports veterinary drug residue analysis and advanced quantification. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, it provides consistent performance for LC-MS/MS and GC-MS workflows. You can rely on its purity for calibration and day-to-day quality control. Furthermore, laboratories use it to build robust, traceable methods with low detection limits.

Use this reference standard to strengthen quantitative performance across the full lifecycle of an analytical method:

• LC-MS/MS and GC-MS calibration with linear response and reliable retention behavior.
• Traceability supported by an authenticated Certificate of Analysis and documented purity.
• Method validation for selectivity, accuracy, precision, and recovery.
• Confirmatory analysis to verify screening results and reduce false positives.

It fits a wide range of applications in regulated and research environments:

• Regulated laboratories performing routine residue control.
• Pharmaceutical research and metabolism studies involving benzimidazole derivatives.
• Development of multi-residue methods in food, feed, and environmental matrices.
• Matrix-matched calibration and ongoing quality control checks.

The Fenbendazole sulfone (CAS 54029-20-8) reference standard comes as a stable, well-characterized material. It supports accurate stock preparation and straightforward dilution schemes. In addition, it enables reproducible quantification across instruments and sites. Each lot from WITEGA Laboratorien Berlin-Adlershof GmbH undergoes stringent testing to ensure identity and purity suitable for confirmatory workflows.

Choose this reference standard for dependable calibration curves, rugged method transfers, and clear documentation of traceability. It helps analysts shorten validation timelines, improve comparability between batches, and maintain confidence in reported results.

You can download your Safety Data Sheet for BI012

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