Chlorthalidone-D₄ Chlortalidone-D₄

2-Chloro-5-(4,5,6,7-tetradeuterio-1-hydroxy-3-oxo-2H-isoindol-1-yl) benzenesulfonamide

Chlorthalidone-D4 Chlortalidone-D4 (CAS 1794941-44-8) is a high-purity reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH for reliable LC-MS/MS and GC-MS workflows. It supports deuterium-labeled quantification for calibration, traceability, method validation, and confirmatory analysis. Relevant search intents include deuterated diuretic reference standard, LC-MS/MS calibration standard, thiazide-like analyte quantification, stable isotope labeled standard, traceable analytical solution, multi-residue method development, GC-MS confirmatory analysis, pharmaceutical residue control, regulated laboratory calibration, metabolism study validation.

This reference standard enables confident identification and precise quantification of the thiazide-like diuretic in complex matrices. Analysts use it to establish calibration curves, assess recovery, and verify traceable results. Moreover, it assists in matrix-matched quality control and cross-laboratory comparability. Consequently, you can streamline routine testing while keeping measurement uncertainty low.

Typical applications include:

• Regulated laboratories performing residue control and compliance testing.
• Pharmaceutical research exploring exposure, formulation, and stability.
• Metabolism studies supporting pathway elucidation and kinetics.
• Multi-residue method development with LC-MS/MS or GC-MS.
• Confirmatory analysis for robust decision-making.

Choose this reference standard to improve accuracy and reproducibility. Additionally, it helps document method performance across validation parameters. The material fits seamlessly into calibration, bracketing, and ongoing system suitability checks.

Key advantages:

• Consistent, traceable performance for quantitative workflows.
• Supports linearity, precision, and accuracy assessments.
• Enhances confirmatory analysis with clear identification.
• Suitable for diverse matrices in routine and research settings.

Every batch is prepared by WITEGA Laboratorien Berlin-Adlershof GmbH, ensuring dependable supply and technical support. Therefore, laboratories can maintain continuity, meet audit expectations, and achieve confident results. Implement this Chlorthalidone D4 reference standard to strengthen calibration, method validation, and traceable reporting today.

You can download your Safety Data Sheet for SA046

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