Quintrione impurity

3,7-Dichloro-8-quinolinecarboxylic acid 3-oxo-1-cyclohexen-1-yl ester

The Quintrione impurity (CAS 2236585-33-2) reference standard enables confident LC-MS/MS or GC-MS quantification and traceable calibration. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, it supports rigorous method validation and confirmatory analysis. It directly addresses: LC-MS/MS reference material, GC-MS calibration standard, analytical method validation, traceable certified material, residue analysis standard, pharmaceutical research reference, metabolism study standard, multi residue method development, confirmatory analysis control, quantitative calibration solution.

This high-quality reference standard helps build linear calibration curves, verify accuracy, and ensure robust traceability. It is suitable for targeted assays, delivering stable response and reliable ion ratios. Use it to confirm selectivity, evaluate matrix effects, and define reporting limits in screening and confirmatory workflows. Therefore, you can standardize quantitation across instruments and batches with confidence.

• Regulated laboratories performing routine residue control and compliance testing.
• Pharmaceutical research focusing on metabolism studies and structural elucidation.
• Reference material for multi-residue method development and robustness checks.
• Calibration and system suitability in LC-MS/MS and GC-MS platforms.
• Confirmatory analysis supporting accreditation and audit requirements.

Each lot is manufactured under stringent quality procedures by WITEGA Laboratorien Berlin-Adlershof GmbH with clear, lot-specific documentation for traceable implementation. The Quintrione impurity (CAS 2236585-33-2) reference standard supports validation parameters such as accuracy, precision, linearity, carryover, and stability. Moreover, it facilitates harmonized reporting between laboratories by anchoring quantitation to a common reference material.

• Supports calibration curve construction and ongoing performance checks.
• Useful for recovery studies, matrix-matched calibration, and dilution integrity.
• Designed for quantitative workflows requiring reproducible response.

For best performance, integrate the reference standard into your calibration plan, prepare matrix-matched curves when needed, and verify instrument response routinely. Furthermore, apply it in spike-recovery experiments and second-source checks to strengthen decision limits and reduce uncertainty. This practical approach helps achieve reliable results in both discovery and routine testing.

You can download your Safety Data Sheet for PS321

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