CAS Number: 50677-97-9
4-Bromophenol-2,3,5,6-D4 is a deuterium-labeled isotope of 4-Bromophenol used as an internal standard in mass spectrometric analysis for insecticide residue quantification. Isotopically labeled compounds are essential in GC-MS and LC-MS/MS methods for accurate quantification of brominated phenol insecticide metabolites in environmental and food matrices. The four deuterium atoms provide a stable isotope shift of 4 mass units, ensuring clean separation from the native analyte signal. AB Enterprises supplies this isotopically labeled reference standard to environmental and food safety laboratories. Its high isotopic purity ensures accurate and reliable mass spectrometric calibration.
| CAS Number | 50677-97-9 |
| Molecular Formula | C6HD4BrO |
| Molecular Weight | 177.03 g/mol |
| Appearance | White to off-white crystalline solid |
| Assay / Purity | ≥98.0% |
| pH (1% solution) | N/A (trace quantities) |
| Storage | Store at 2–8 °C in sealed amber vials, protected from light |
| Packaging | As per requirement |
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