Dimethyl 5-hydroxypyridine-3,4-dicarboxylate CAS 19804-07-0
| CAS No. | 19804-07-0 |
| Molecular Formula | C9H9NO5 |
| Molecular Weight | 211.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Dimethyl 5-hydroxypyridine-3,4-dicarboxylate.
Dimethyl 5-hydroxypyridine-3,4-dicarboxylate (CAS 19804-07-0) is a high-purity analytical reference standard with the molecular formula C9H9NO5 and a molecular weight of 211.17 g/mol.
Based on its molecular formula C9H9NO5, Dimethyl 5-hydroxypyridine-3,4-dicarboxylate 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 211.17 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).
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 | C9H9NO5 |
| Molecular Weight | 211.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
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- Dimethyl 5-hydroxypyridine-2,3-dicarboxylate (CAS 130721-04-9)
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Recommended Standards
- Ethyl (2-nitropyridin-3-yl)carbamate (CAS 55304-91-1)
- Ethyl (3-nitropyridin-4-yl)carbamate (CAS 90223-38-4)
- Ethyl (4-nitrophenyl) carbonate (CAS 6132-45-2)
- Dibutyl hydrogen phosphate (CAS 72283-56-8)
- 5-Bromo-1-(bromomethyl)isoquinoline (CAS 72678-11-6)
- N,N-Dimethylsuccinamic Acid (CAS 2564-95-6)
- Methyl 4-Amino-2,6-dimethylbenzoate (CAS 79909-92-5)
- O-(2-Acetamidopropyl) pent-4-enethioate (CAS 398518-37-1)
- methyl 4-(benzyloxy)-3-methoxy-2-nitrobenzoate (CAS 1461706-26-2)
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- 10-Aminocamptothecin (CAS 86639-63-6)
- 3,8-Dimethylquinoxalin-6-amine (CAS 103139-99-7)
- 2-Methylpyrido[2,3-b]pyrazine (CAS 155629-97-3)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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