5-Cyano-6-oxo-1,6-dihydropyridine-2-carboxylic acid CAS 19841-76-0
| CAS No. | 19841-76-0 |
| Molecular Formula | C7H4N2O3 |
| Molecular Weight | 164.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Cyano-6-oxo-1,6-dihydropyridine-2-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.
5-Cyano-6-oxo-1,6-dihydropyridine-2-carboxylic acid (CAS 19841-76-0) is a high-purity analytical reference standard with the molecular formula C7H4N2O3 and a molecular weight of 164.12 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Cyano-6-oxo-1,6-dihydropyridine-2-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 164.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O3 |
| Molecular Weight | 164.12 g/mol |
| Appearance | Off-white to pale 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Cyano Standards
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Recommended Standards
- 5-(Pyrazin-2-yl)-1,3,4-oxadiazol-2-ol (CAS 91144-81-9)
- 5-Nitro-1,2-benzisoxazole (CAS 39835-28-4)
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- 5-Nitro-1H-benzotriazole (CAS 2338-12-7)
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- 7-Chloro-6-fluoro-1-(4-fluorophenyl)-3-hydroxyquinolin-4(1H)-one (CAS 188967-75-1)
- 1-Ethylamino-2-methyl-propan-2-ol (CAS 73825-96-4)
- 5-Amino-2-chloro-n-[(2-fluorophenyl)methyl]benzamide (CAS 953903-75-8)
- Pomalidomide M19 (CAS 460741-57-5)
- 4-(3-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)benzyl)morpholine (CAS 1012785-45-3)
- 3-(Thiophene-3-carboxamido)benzoic acid (CAS 923789-02-0)
- 2-Thioxo-1,2-dihydroquinoline-3-carbonitrile (CAS 69513-35-5)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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