6-Bromo-5-nitroquinoline CAS 98203-04-4
| CAS No. | 98203-04-4 |
| Molecular Formula | C9H5BrN2O2 |
| Molecular Weight | 253.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Bromo-5-nitroquinoline (CAS 98203-04-4), molecular formula C9H5BrN2O2 and molecular weight 253.05 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5BrN2O2, 6-Bromo-5-nitroquinoline contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.05 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-5-nitroquinoline 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 | C9H5BrN2O2 |
| Molecular Weight | 253.05 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 6-Bromo-1,8-naphthyridine-3-carboxylic acid (CAS 1105191-97-6)
- 2-Bromo-5-nitroquinoline (CAS 116632-28-1)
- 3-Bromo-5-nitroquinoline (CAS 116632-33-8)
- 8-Bromo-6-nitroquinoline (CAS 120287-30-1)
- 2-Bromo-3-hydroxynaphthalene-1,4-dione (CAS 1203-39-0)
- 5-Bromo-1-nitroisoquinoline (CAS 1217440-57-7)
- 6-Bromo-4-oxo-3,4-dihydroquinazoline-2-carbaldehyde (CAS 1260898-14-3)
- 7-Bromo-5-nitroisoquinoline (CAS 1368385-65-2)
Recommended Standards
- 6-Bromo-5-nitroisoquinoline (CAS 850197-72-7)
- 6-Bromo-8-nitroquinoline (CAS 68527-67-3)
- 6-Bromo-3-nitro-quinoline (CAS 36255-28-4)
- 6-Bromocinnoline-3-carboxylic acid (CAS 59208-90-1)
- 2-Chloro-8-methylquinoline (CAS 4225-85-8)
- 1-(5-Bromo-4-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 1427504-73-1)
- 3-(Difluoromethyl)-2-fluoropyridine (CAS 1374659-42-3)
- 2-bromo-6,7-dichloro-1H-benzimidazole (CAS 173460-79-2)
- 5-amino-2-chloro-pyrimidine-4-carboxamide (CAS 189747-29-3)
- 2-(Biphenyl-4-yloxy)propanoyl chloride (CAS 1160264-64-1)
- Vortioxetine Impurity 34 (CAS 1293489-71-0)
- 3-(2-Methoxyethoxy)phenylacetylene (CAS 896114-81-1)
- 2-(2-Aminobenzylidene)hydrazinecarbothioamide (CAS 7420-39-5)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
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