[9-(2-Carboxyphenyl)-6-diethyl-D₁₀-amino-3-xanthenylidene]-diethyl-D₁₀-ammonium chloride

Rhodamine B D20 (CAS 81-88-9) is a fluorescent dye reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports precise LC-MS/MS and GC-MS quantification across varied matrices. Use this reference standard to build traceability, robust calibration, and dependable data from the start. As a result, your measurements stay consistent and defensible.

Each lot delivers high purity with confirmed identity and content. Comprehensive documentation ensures full traceability for audits and trending. Analysts use it to set calibration curves, verify linearity, and define LOQ and LOD. It also strengthens method validation and confirmatory analysis. The material dissolves cleanly and maintains stable response. Therefore, integration into routine QA workflows is straightforward.

Designed for modern mass spectrometry, the reference standard performs in quantitative and screening methods. It enables accurate system suitability checks and routine performance monitoring. Furthermore, you can rely on it for cross-laboratory comparability and long-term studies demanding continuity.

Typical applications include:

• Regulated laboratories requiring defensible calibration and traceability
• Pharmaceutical research and formulation screening
• Residue control programs in food and feed safety
• Metabolism studies and kinetic profiling
• Multi-residue method development and routine surveillance

Additionally, this reference standard supports rugged workflows under diverse conditions. Storage and handling are simple when following the recommended guidance. Documentation aligns with regulatory expectations and reporting needs. When optimizing sensitivity and selectivity, Rhodamine B D20 (CAS 81-88-9) provides the confidence needed for routine and advanced analyses. Choose WITEGA Laboratorien Berlin-Adlershof GmbH quality for your next calibration series.

You can download your Safety Data Sheet for OP129

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