Bumetanide Impurity 96 CAS 61658-51-3
| CAS No. | 61658-51-3 |
| Molecular Formula | C17H20N2O5S |
| Molecular Weight | 364.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Bumetanide Impurity 96 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
As a process- or degradation-related impurity, Bumetanide Impurity 96 (CAS 61658-51-3, C17H20N2O5S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Bumetanide Impurity 96 (C17H20N2O5S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Physical & Chemical Properties
| Molecular Formula | C17H20N2O5S |
| Molecular Weight | 364.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bumetanide Standards
- Bumetanide Impurity 135 (CAS 30170-22-0)
- Bumetanide Impurity 53 (CAS CATO-C4X-198653)
- Bumetanide Impurity 97 (CAS 28328-60-1)
- Bumetanide (CAS 28395-03-1)
- Bumetanide Impurity 15 (CAS CATO-C4X-198615)
- Bumetanide Photodegradant Impurity 17 (CAS CATO-C4X-198617)
- Bumetanide Impurity 84 (CAS CATO-C4X-198684)
- Bumetanide Impurity 122 (CAS CATO-C4X-1986122)
Recommended Standards
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- Torasemide Impurity 12 (CAS 99300-68-2)
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