1-(2-Cyanoethyl)-5-nitro-2-oxo-1,2-dihydropyridine-3-carboxylic acid CAS 1053658-26-6
| CAS No. | 1053658-26-6 |
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(2-Cyanoethyl)-5-nitro-2-oxo-1,2-dihydropyridine-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(2-Cyanoethyl)-5-nitro-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1053658-26-6) is a high-purity analytical reference standard with the molecular formula C9H7N3O5 and a molecular weight of 237.17 g/mol.
Based on its molecular formula C9H7N3O5, 1-(2-Cyanoethyl)-5-nitro-2-oxo-1,2-dihydropyridine-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.17 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 6-Cyanopyridine-2-boronic Acid Pinacol Ester (CAS 952402-79-8)
- 3-(3,5-Dimethylbenzyl)piperidin-3-ol (CAS 1340535-69-4)
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- N-[2-(3-methyl-1,2,4-oxadiazol-5-yl)ethyl]azetidine-3-carboxamide,CF3COOH (CAS 1701675-32-2)
- N1-(4-chloro-2-nitrophenyl)-N3,N3-dimethylpropane-1,3-diamine (CAS 56756-20-8)
- Di(propyl)dithiophosphoricacid (CAS 2253-43-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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