Methyl 6-ethyl-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate CAS 1956331-73-9
| CAS No. | 1956331-73-9 |
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 6-ethyl-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate (CAS 1956331-73-9) is a high-purity analytical reference standard with the molecular formula C9H11NO4 and a molecular weight of 197.19 g/mol.
Based on its molecular formula C9H11NO4, Methyl 6-ethyl-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate 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 197.19 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).
As a certified reference material (CRM), Methyl 6-ethyl-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate 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 | C9H11NO4 |
| Molecular Weight | 197.19 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 |
| 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.) | 1996 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-amino-3-(3,5-dihydroxyphenyl)propanoic acid (CAS 194160-48-0)
- 3-(2-Imino-4-methyl-6-oxo-3,6-dihydropyrimidin-1(2h)-yl)propanoic acid (CAS 19675-50-4)
- 3-Ethoxy-2-hydroxy-6-methylisonicotinic acid (CAS 1935185-25-3)
- (2R)-2-Acetamido-3-(1H-Imidazol-4-Yl)Propanoic Acid (CAS 75983-68-5)
- Ethyl 6-bromo-8-(2-ethoxy-2-oxoethoxy)imidazo[1,2-a]pyridine-3-carboxylate (CAS 1804976-79-1)
- 2-Chloro-4-methylphenylboronic Acid (CAS 145349-62-8)
- 6h-Spiro[benzo[h]quinazoline-5,1'-cyclopentane]-4-amine (CAS 304870-34-6)
- 3-(6-Bromo-1,1-dioxido-2H-naphtho[1,8-cd]isothiazol-2-yl)piperidine-2,6-dione (CAS 2767588-68-9)
- 2-Chloro-N-(2-(4-chloro-2-isopropyl-5-methylphenoxy)ethyl)-N-ethylethan-1-amine hydrochloride (CAS 16793-62-6)
- 1-(2-Methyl-2H-indazol-5-yl)ethanol (CAS 1337881-59-0)
- Naphtho[2,1-b]furan-1-yl-acetic acid (CAS 92262-75-4)
- 221679-84-1 4-Chloro-6-ethoxy-2-(methylsulfanyl)pyrimidine DTXSID10693785 (CAS 221679-84-1)
- 2-(2,6-Difluorophenyl)oxazolo[4,5-b]pyridine (CAS 52333-73-0)
- Peptide Impurity 04 (CAS 2913424-91-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com