N–2-hydroxy-3,5-diiodobenzamide-¹³C₆

Closantel 13C6 (CAS 1325559-20-3) is a high-quality isotope labeled reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. As an LC-MS/MS calibration standard, it supports precise quantitative workflows from sample preparation to final reporting. The carbon-13 labeling closely matches the native analyte, which helps correct for matrix effects and enhances accuracy. Laboratories choose this material to streamline targeted assays and to maintain dependable traceability across batches.

Use this reference standard in LC-MS/MS or GC-MS analytical quantification. It enables robust calibration, rigorous traceability, method validation, and confirmatory analysis. Furthermore, you can apply it across diverse matrices, including feed, tissue, plasma, and environmental samples. The carefully controlled production by WITEGA Laboratorien Berlin-Adlershof GmbH ensures consistent performance and lot-to-lot reliability.

Key advantages include:

• Optimized for LC-MS/MS and GC-MS quantification
• Strong support for calibration and traceability requirements
• Reliable performance for method validation and confirmatory analysis
• Clear documentation to simplify audit readiness
• Compatibility with multi-residue workflows

Typical applications cover a broad range of regulated and research environments:

1. Regulated laboratories focused on residue control and compliance
2. Pharmaceutical research investigating absorption and disposition
3. Residue control programs requiring consistent quantification
4. Metabolism studies seeking improved selectivity and accuracy
5. Multi-residue method development for complex matrices

Closantel 13C6 (CAS 1325559-20-3) provides stable performance for targeted quantification and verification steps. Moreover, it helps harmonize calibration protocols and strengthens traceability records. Consequently, your team can move from development to routine monitoring with confidence. For dependable supply and expert support, source this reference standard from WITEGA Laboratorien Berlin-Adlershof GmbH.

You can download your Safety Data Sheet for BI047

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