5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid CAS 1053658-18-6
| CAS No. | 1053658-18-6 |
| Molecular Formula | C9H7BrN2O3 |
| Molecular Weight | 271.07 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 5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid.
5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1053658-18-6), molecular formula C9H7BrN2O3 and molecular weight 271.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7BrN2O3, 5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid 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 271.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid 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 | C9H7BrN2O3 |
| Molecular Weight | 271.07 g/mol |
| Appearance | Off-white to pale 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 methanol, ethanol, DMSO |
| 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.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (2,6-Dichloropyrimidin-4-yl)-(4-fluorophenyl)methanone (CAS 1099597-81-5)
- 20037-37-0 5-bromo-7-methoxy-1-benzofuran-2-carboxylic acid DTXSID60391769 (CAS 20037-37-0)
- 2-(Bromomethyl)-5,8-dihydroxyquinazolin-4(1H)-one (CAS 117498-05-2)
- 7-Bromo-5-methoxybenzofuran-2-carboxylic acid (CAS 875830-98-1)
- Amplicaine (CAS 13912-77-1)
- 3-Chloro-6-isopropyl-4-(trifluoromethyl)pyridazine (CAS 1437436-31-1)
- 3,4,11-Triamino-1H-naphtho[2,3-f]isoindole-1,5,10-trione (CAS 13418-50-3)
- Fosamine-Ammonium (CAS 25954-13-6)
- N-(2-Ethoxyphenyl)-2-((4-ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 142529-71-3)
- 1-Fluoro-3-phenoxybenzene (CAS 3798-89-8)
- Benzyl (5R,7S)-4-hydroxy-7-methyl-2-oxo-1,8-diazaspiro[4.5]Decane-8-carboxylate (CAS 1227685-24-6)
- 2,2,7,7-tetradeuteriocycloheptanone (CAS 17616-76-1)
- 5-Chloro-2-methyl-6-(piperidin-1-yl)nicotinic acid (CAS 1443291-87-9)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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