3-Hydroxy-6-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid CAS 2147483-68-7
| CAS No. | 2147483-68-7 |
| Molecular Formula | C7H7NO4 |
| Molecular Weight | 169.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 169.13 g/mol gives 3-Hydroxy-6-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Hydroxy-6-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 2147483-68-7), a certified reference material (molecular formula C7H7NO4, MW 169.13 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Hydroxy-6-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 169.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H7NO4 |
| Molecular Weight | 169.13 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-6-methoxynicotinic acid (CAS 1060806-82-7)
- 4-Hydroxy-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid (CAS 1127-47-5)
- 5-Hydroxy-6-methoxynicotinic acid (CAS 1256787-06-0)
- 4-Hydroxy-6-methoxypicolinic acid (CAS 1256822-14-6)
- 3-Hydroxy-6-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 1378791-48-0)
- 2-Hydroxy-6-methoxyisonicotinic acid (CAS 1393529-97-9)
- 3-Hydroxy-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 169237-37-0)
- 2-Hydroxy-4-(hydroxyamino)benzoic acid (CAS 3096-66-0)
Recommended Standards
- 3-Hydroxy-5-methoxypicolinic acid (CAS 672957-96-9)
- 3-Methoxy-2-nitrophenol (CAS 3114-61-2)
- 3-Hydroxy-4-methoxypyridine-2-carboxylic Acid (CAS 210300-09-7)
- 3-Methyl-5-nitro-1,2-benzenediol (CAS 5378-76-7)
- tert-butyl (3S)-pyrrolidine-3-carboxylate (CAS 351369-16-9)
- Ethyl 8-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylate (CAS 1363404-84-5)
- 1-(4-fluorophenyl)-3-isopropyl-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-86-6)
- 3-(Pyrrolidin-2-yl)pyridine-2-thiol (CAS 1270361-70-0)
- 2-(3-Fluorophenoxy)benzoic acid (CAS 2795-62-2)
- 344934-51-6 KS-00001YOO N'-[(Z)-(2,4-dichlorophenyl)methylidene]-2-(1H-pyrrol-1-yl)benzenecarbohydrazide (CAS 344934-51-6)
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