Bumetanide Impurity 76 CAS CATO-C4X-198676
| CAS No. | CATO-C4X-198676 |
| Molecular Formula | C13H13N3O4S |
| Molecular Weight | 307.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Bumetanide Impurity 76 (CAS CATO-C4X-198676) is a certified pharmaceutical impurity reference standard with the molecular formula C13H13N3O4S and a molecular weight of 307.33 g/mol.
Based on its molecular formula C13H13N3O4S, Bumetanide Impurity 76 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Bumetanide Impurity 76 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.
Physical & Chemical Properties
| Molecular Formula | C13H13N3O4S |
| Molecular Weight | 307.33 g/mol |
| Purity | >95% |
| 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 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bumetanide Standards
- Bumetanide Impurity 12 (CAS 22893-29-4)
- Bumetanide EP Impurity B (CAS 28328-54-3)
- Bumetanide Impurity 74 (CAS CATO-C4X-198674)
- Bumetanide Impurity 22 (CAS CATO-C4X-198622)
- Bumetanide Impurity 65 (CAS CATO-C4X-198665)
- Bumetanide Impurity 57 (CAS CATO-C4X-198657)
- Bumetanide Impurity 66 (CAS CATO-C4X-198666)
- Bumetanide Impurity 32 (CAS 22892-95-1)
Recommended Standards
- Ceftazidime Impurity 91 (CAS CATO-C4X-121291)
- (R)-tert-Butyl 3-((2-nitrophenyl)amino)pyrrolidine-1-carboxylate (CAS 1000370-76-2)
- N-Morpholino-5-nitro-1-benzothiophene-2-carboxamide (CAS 477847-40-8)
- tert-Butyl (S)-3-((2-nitrophenyl)amino)pyrrolidine-1-carboxylate (CAS 1000370-77-3)
- Cinitapride Impurity 29 (CAS 1884298-43-4)
- Ondansetron EP Impurity G (CAS 99614-03-6)
- Enzalutamide Impurity 31 (CAS CATO-C4X-101631)
- (betaR)-beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile 2,2,2-trifluoroacetate (CAS 941678-50-8)
- 2-(4-(Tert-butoxycarbonyl)piperazin-1-yl)-2-(4-ethoxyphenyl)acetic acid (CAS 1400644-21-4)
- n-(1-(5-Chlorothiophen-2-yl)ethyl)-2-ethoxyacetamide (CAS 1385697-38-0)
- 3-(Hydroxymethyl)azetidin-2-one (CAS 1781802-55-8)
- Ethyl 6-methyl-1-oxaspiro[2.5]Octane-2-carboxylate (CAS 73040-03-6)
- ethyl 4-amino-3-bromo-1H-pyrazole-5-carboxylate (CAS 1979126-28-7)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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