2-(2,3-Dimethylphenylamino)benzoic acid-¹³C₆

Mefenamic acid 13C6 (CAS 1325559-19-0) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. As a stable isotope labeled NSAID reference standard, it enables confident LC-MS/MS and GC-MS analytical quantification. Used as an LC-MS/MS calibration solution for pharmaceutical residues, this material delivers robust traceability and easy workflow integration. Consequently, laboratories gain reliable calibration and consistent instrument response for confirmatory analysis and method validation.

Moreover, the material supports critical analytical tasks across routine and advanced workflows:

• Calibration of multi-point curves and system suitability testing
• Verification of traceability and instrument response over time
• Method validation covering selectivity, linearity, accuracy, precision, recovery, and matrix effects
• Confirmatory analysis in complex matrices with ion ratio checks
• Cross-platform comparability for LC-MS/MS and GC-MS methods

Therefore, this reference standard fits demanding environments and projects:

• Regulated laboratories and quality control units
• Pharmaceutical research and development programs
• Residue control and surveillance studies
• Metabolism studies and biotransformation profiling
• Multi-residue method development and optimization

Additionally, each batch is released with a detailed Certificate of Analysis specifying identity, purity, isotope enrichment, and measurement uncertainty. It is available as neat material or as a ready-to-use solution on request, supporting traceable calibration and routine QC. Store under recommended conditions to maintain stability. For documentation, technical guidance, and re-ordering, contact WITEGA Laboratorien Berlin-Adlershof GmbH. In short, Mefenamic acid 13C6 (CAS 1325559-19-0) provides dependable performance for quantification, calibration, method validation, and confirmatory analysis across LC-MS/MS and GC-MS workflows.

You can download your Safety Data Sheet for NS025

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