QCA

Quinoxaline-2-carboxylic acid

QCA (CAS 879-65-2) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. Laboratories choose this LC-MS/MS reference material for robust calibration and a traceable analytical standard. Use it confidently in GC-MS workflows as well. It supports accurate quantification from setup to final report.

Built for LC-MS/MS and GC-MS assays, the material enables precise calibration curves and instrument tuning. Moreover, it ensures traceability in method validation and confirmatory analysis. With tight specification and documented purity, QCA (CAS 879-65-2) helps achieve low detection limits. Therefore, matrix effects become easier to control.

Typical applications include:

• Regulated laboratories seeking reproducible results and clear documentation.
• Pharmaceutical research that requires characterized compounds for discovery and DMPK.
• Residue control programs assessing contamination in complex matrices.
• Metabolism studies tracking transformation products with confidence.
• Multi-residue method development across diverse analyte panels.

Key benefits:

• High chemical purity verified by orthogonal techniques.
• Batch-specific CoA with content and uncertainty.
• Excellent solubility guidance and storage recommendations.
• Suitable for calibration curves, QC samples, spiking, and system suitability.
• Consistent lot performance to support long-term studies.

Additionally, the reference standard comes with clear labeling and batch traceability. Documentation aligns with current analytical expectations. In practice, QCA (CAS 879-65-2) accelerates setup and increases confidence in reported data. Finally, choose WITEGA Laboratorien Berlin-Adlershof GmbH for dependable supply and expert support.

You can download your Safety Data Sheet for OP232

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