5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide CAS 75993-42-9
| CAS No. | 75993-42-9 |
| Molecular Formula | C6H5ClN2O3 |
| Molecular Weight | 188.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 75993-42-9), a certified reference material (molecular formula C6H5ClN2O3, MW 188.57 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H5ClN2O3, 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.57 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).
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.
CATO manufactures 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN2O3 |
| Molecular Weight | 188.57 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, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-5-methoxy-3-nitropyridine (CAS 1003711-55-4)
- 4-Chloro-3,5-dihydroxybenzoic acid (CAS 102338-87-4)
- 2-Chloro-3-methoxy-4-nitropyridine (CAS 109613-91-4)
- 2-Chloro-4-methyl-5-nitropyridine 1-oxide (CAS 1253378-56-1)
- 2-Chloro-4-methoxypyrimidine-5-carboxylic acid (CAS 1375064-78-0)
- 6-Chloro-4-methoxypyridazine-3-carboxylic acid (CAS 1517036-80-4)
- 2-(4-chloro-5-formylfuran-2-yl)acetic acid (CAS 1525671-23-1)
- 5-Chloro-3-methoxy-2-nitropyridine (CAS 152684-28-1)
Recommended Standards
- 5-Chloro-3-methoxypyrazine-2-carboxylic acid (CAS 872355-80-1)
- 5-chloro-6-methyl-3-nitropyridin-2(1H)-one (CAS 56960-83-9)
- 5-Chloro-2-methyl-4-nitropyridine 1-Oxide (CAS 97944-39-3)
- 6-Chloro-2-methoxypyrimidine-4-carboxylic acid (CAS 944902-07-2)
- 2,6-Difluoroaniline-<SUP>13</SUP>C<SUB>6</SUB> (CAS 1173018-45-5)
- 1-Methyl-5-(trifluoromethyl)indoline (CAS 1822818-84-7)
- 2-(Aminomethyl)-1-(3-methylthiophen-2-yl)butan-1-ol (CAS 1496096-80-0)
- 10-OXOOCTADECANOIC ACID (CAS 4158-12-7)
- tert-Butyl (4-bromo-6-fluoropyridin-3-yl)carbamate (CAS 1514932-23-0)
- (4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-1-yl)(3-(trifluoromethyl)phenyl)methanone (CAS 251096-67-0)
- (2R,3S,4R,5R)-2,5-Bis(hydroxymethyl)pyrrolidine-3,4-diol (CAS 172823-15-3)
- Diethyl (3-mercaptopropyl)phosphonate (CAS 213260-80-1)
- 933738-45-5 2-[(Piperidin-3-yl)methyl]-1H-benzimidazole DTXSID50656495 (CAS 933738-45-5)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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