5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide CAS 320405-83-2
| CAS No. | 320405-83-2 |
| Molecular Formula | C6H5N3O4 |
| Molecular Weight | 183.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide 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.
5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 320405-83-2), molecular formula C6H5N3O4 and molecular weight 183.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 183.12 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.
As a certified reference material (CRM), 5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide 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 | C6H5N3O4 |
| Molecular Weight | 183.12 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 6-(Nitroamino)-3-pyridinecarboxylic Acid (CAS 439681-56-8)
- 4-Methyl-3,5-dinitropyridine (CAS 57927-98-7)
- 6-Amino-5-nitronicotinic Acid (CAS 89488-06-2)
- 4-Hydroxypyridine-2,6-dicarboxylic acid (CAS 499-51-4)
- Methyl 4-methyl-2-oxocyclopentanecarboxylate (CAS 4463-75-6)
- tert-Butyl (6-methoxyisoquinolin-3-yl)carbamate (CAS 850198-01-5)
- 4-Chloro-9H-fluoren-2-amine (CAS 1785-37-1)
- 2-(Propylthio)pyrimidine-4-carbaldehyde (CAS 219729-65-4)
- [(1R,3R)-7,7-Difluorodispiro[2.0.2.1]Hept-1-Yl]Methanol (CAS 321857-21-0)
- (R)-3-(allylsulfonyl)-2-aminopropanoic acid 154502-45-1 (CAS 154502-45-1)
- 3-(Trifluoromethoxy)propan-1-amine (CAS 1208079-72-4)
- Ethyl cis-4-phenyl-2-butenoate (CAS 559062-83-8)
- Doxorubicin Impurity 28 (CAS CATO-C4X-203328)
- Peptide WE-14 (CAS 115136-18-0)
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