Phenylbutazone-¹³C₁₂

4-Butyl-1,2-diphenyl-¹³C₁₂-pyrazolidine-3,5-dione

Phenylbutazone-13C12 (CAS 1325559-13-4) is a stable isotope labeled reference material produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. This reference standard supports LC-MS/MS and GC-MS workflows from the first calibration to final confirmation. It ensures traceability and dependable quantification, even in challenging matrices. Therefore, it fits regulated environments and demanding research alike.

Use this reference standard to build robust calibration curves, verify method performance, and perform confirmatory analysis. It provides consistent response factors for LC-MS/MS or GC-MS quantification. Moreover, it enables precise recovery assessments, limits of detection studies, and matrix effect evaluations. With clear documentation and batch traceability, routine quality control becomes straightforward and efficient. Phenylbutazone-13C12 (CAS 1325559-13-4) also streamlines method transfer between instruments or sites.

Typical applications include:

• Regulated laboratories conducting residue control and compliance testing
• Pharmaceutical research for accurate quantification and stability tracking
• Metabolism studies requiring clear identification and quantitation
• Multi-residue method development across diverse sample types
• Confirmatory analysis in accreditation workflows

Furthermore, the reference standard is well suited for spiking experiments, calibration verification, and day-to-day system suitability checks. It supports traceability through documented lot information, aiding audits and long-term data comparability. As an isotopically labeled analog, it helps distinguish analyte signals from potential interferences and matrix effects. This advantage improves precision during LC-MS/MS or GC-MS quantification.

Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, the reference standard aligns with modern analytical expectations. As a result, laboratories gain confidence in calibration, method validation, and confirmatory analysis. Choose Phenylbutazone-13C12 (CAS 1325559-13-4) to enhance reliability, traceability, and workflow efficiency from development to routine testing.

You can download your Safety Data Sheet for NS030

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