Oxolinic acid-D₅

5-Ethyl-D₅-8-oxo-5,8-dihydro-[1,3]-dioxolo[4,5-g]quinoline-7-carboxylic acid

Oxolinic acid-D5 (CAS 1189890-98-9) is a stable isotope labeled standard and high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports LC-MS/MS and GC-MS workflows from calibration to confirmatory analysis. Use it to achieve robust quantification, clear traceability, and consistent quality control in demanding methods. Consequently, you can streamline method development while maintaining regulatory confidence.

This reference standard enables accurate response factor determination and matrix effect assessment. Because Oxolinic acid-D5 (CAS 1189890-98-9) closely follows the native analyte, it enhances precision in LC-MS/MS and GC-MS quantification. It fits routine batch calibration, method validation, and verification runs. In addition, it strengthens traceability with lot-specific documentation from WITEGA Laboratorien Berlin-Adlershof GmbH, supporting harmonized reporting across laboratories.

• Calibration and linearity checks across relevant ranges
• Traceable quality control for regulated laboratory workflows
• Confirmatory analysis with stringent identification criteria
• Method validation including accuracy, precision, and recovery
• Matrix effect studies and robustness testing

Typical users rely on this reference standard in diverse scenarios. For example, regulated laboratories need reliable calibration and traceable QC. Pharmaceutical research benefits from confident quantification in discovery and development phases. Residue control programs value reproducible performance in surveillance testing. Moreover, metabolism studies and multi-residue method development gain consistent alignment between batches and instruments.

• Regulated laboratories and compliance assessments
• Pharmaceutical research and metabolite profiling
• Residue control and surveillance studies
• Metabolism investigations in complex matrices
• Multi-residue method development and optimization

Choose this reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH for dependable performance and comprehensive documentation. Oxolinic acid-D5 (CAS 1189890-98-9) helps you build robust, transferable LC-MS/MS and GC-MS methods with traceability, calibration integrity, and confident confirmatory analysis.

You can download your Safety Data Sheet for CH009

For other languages please contact us: witega@witega.de