3-Methylquinoxaline-¹³C₆-2-carboxylic acid

MQCA 13C6 is a carbon-13 labeled reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports LC-MS/MS and GC-MS quantitative workflows with traceability from calibration to confirmation. Therefore, laboratories can establish robust response factors and control matrix effects. This carbon-13 labeled reference standard helps ensure precise quantification and consistent recovery. Moreover, MQCA 13C6 fits routine monitoring as well as advanced research, while maintaining clarity in method validation and confirmatory analysis.

Use MQCA 13C6 to prepare calibration curves, verify linearity, and check trueness. It enables clear quality control checkpoints and reduces uncertainty. Consequently, you can demonstrate compliance and defend results in audits. Typical applications include:

• Regulated laboratories that require traceable quantification and clear documentation.
• Pharmaceutical research focusing on metabolism and kinetic studies.
• Residue control and surveillance programs with strict reporting limits.
• Metabolism studies assessing transformation products and pathways.
• Multi-residue method development with rigorous selectivity testing.

Every reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH is designed for reliable preparation, storage, and handling guidance. MQCA 13C6 supports calibration verification, recovery checks, and confirmatory analysis across different matrices. Furthermore, it streamlines transfer of methods between instruments and sites. For robust implementation, consider these practical advantages:

• Traceable documentation to support accreditation and data integrity.
• Consistent performance for LC-MS/MS and GC-MS quantification.
• Flexible use in matrix-matched calibration and spike experiments.
• Clear support for precision, accuracy, and uncertainty targets in method validation.

In short, MQCA 13C6 delivers the confidence you need for calibration, method validation, and ongoing system suitability. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, this reference standard helps maintain reliable, defensible data across the full analytical lifecycle.

You can download your Safety Data Sheet for OP174

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