6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione CAS 1400644-97-4
| CAS No. | 1400644-97-4 |
| Molecular Formula | C10H8BrFN2O2 |
| Molecular Weight | 287.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione.
CATO supplies 6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione (CAS 1400644-97-4), a certified reference material (molecular formula C10H8BrFN2O2, MW 287.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H8BrFN2O2, 6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 287.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione 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 | C10H8BrFN2O2 |
| Molecular Weight | 287.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridine (CAS 1356579-72-0)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)aniline (CAS 1351337-49-9)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)aniline (CAS 1421322-61-3)
- 2,6-Dichloro-3,4-difluoro-[1,1-biphenyl]-4-carbaldehyde (CAS 1350760-23-4)
- N-((2R,3R,4R,5R)-3,4,5,6-Tetrahydroxy-1-oxohexan-2-yl)propionamide (CAS 69700-04-5)
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- 3-((4-Methoxybenzyl)thio)-5-phenyl-4H-1,2,4-triazol-4-amine (CAS 677302-34-0)
- 5-Nitrospiro[indoline-3,2'-[1,3]dioxolan]-2-one (CAS 75822-55-8)
- 1-(2,4-Dichlorophenyl)-3-ethoxyprop-2-en-1-one (CAS 1344812-36-7)
- N-Cyclopentylhydroxylamine (CAS 4901-28-4)
- 1-((1-Ethyl-3-methyl-1h-pyrazol-5-yl)methyl)-1h-1,2,3-triazol-4-amine (CAS 1512638-84-4)
- N-Butyl-N-(4-methoxybenzyl)pyrrolidin-3-amine (CAS 820984-53-0)
- L-Glutamic γ-monohydroxamate (CAS 1955-67-5)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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