3-Cyclopropylmethoxy-4-\[(4-methylsulfonyl)phenyl\]-5,5-dimethyl-5H-furan-2-one

Firocoxib (CAS 189954-96-9) reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH supports precise LC-MS/MS and GC-MS quantification. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, it provides stable, traceable calibration for demanding workflows. Analysts apply it in COX-2 inhibitor calibration standard and equine medicine residue analysis to achieve confident results. The high purity and accurate assay enable linear responses and robust recovery. Consequently, your method development moves faster and with fewer repeats. Choose this material when you need dependable performance and clear documentation.

This reference standard streamlines quantification, traceability, calibration, method validation, and confirmatory analysis across varied matrices. It dissolves cleanly, supports consistent response factors, and helps control matrix effects in complex samples.

• LC-MS/MS and GC-MS calibration with defined response and retention behavior
• Traceability through batch-specific documentation and quality control
• Method validation for accuracy, precision, linearity, and LOQs
• Confirmatory analysis that satisfies regulatory expectations

Typical applications include regulated laboratories, pharmaceutical research, residue control, metabolism studies, and multi-residue method development. You can integrate Firocoxib (CAS 189954-96-9) into screening to confirmation workflows, ensuring reliable quantitation and identification.

Every batch of this reference standard is prepared to support consistent day-to-day performance. Furthermore, it assists in troubleshooting ion suppression and recovery issues. With clear labeling and practical handling guidance, it fits seamlessly into routine operations. For technical support and availability, please contact WITEGA Laboratorien Berlin-Adlershof GmbH.

You can download your Safety Data Sheet for NS051

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