4-Hydroxypyridine-2,6-dicarboxylic acid CAS 499-51-4
| CAS No. | 499-51-4 |
| Molecular Formula | C7H5NO5 |
| Molecular Weight | 183.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 183.12 g/mol gives 4-Hydroxypyridine-2,6-dicarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Hydroxypyridine-2,6-dicarboxylic acid (CAS 499-51-4) is a high-purity analytical reference standard with the molecular formula C7H5NO5 and a molecular weight of 183.12 g/mol.
Based on its molecular formula C7H5NO5, 4-Hydroxypyridine-2,6-dicarboxylic acid 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 183.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 4-Hydroxypyridine-2,6-dicarboxylic acid 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 | C7H5NO5 |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
Related Hydroxypyridine Standards
- 5-Hydroxypyridine-3,4-dicarboxylic acid (CAS 17285-97-1)
- 4-Hydroxypyridine-2,3-dicarboxylic acid (CAS 53940-13-9)
- 4-Hydroxypyridine-2,5-dicarboxylic acid (CAS 2183489-21-4)
- 1,1'-(4-Hydroxypyridine-2,6-diyl)bis(ethan-1-one) (CAS 119222-95-6)
- 1,1'-(5-Hydroxypyridine-3,4-diyl)bis(ethan-1-one) (CAS 1393557-13-5)
- 1,1'-(3-Hydroxypyridine-2,6-diyl)bis(ethan-1-one) (CAS 1393558-96-7)
- 1,1'-(2-Hydroxypyridine-3,5-diyl)bis(ethan-1-one) (CAS 1393566-77-2)
- 1,1'-(4-Hydroxypyridine-2,3-diyl)bis(ethan-1-one) (CAS 1393567-71-9)
Recommended Standards
- 4-Methyl-3,5-dinitropyridine (CAS 57927-98-7)
- 5-nitro-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 941083-49-4)
- 4-Hydroxy-2-nitrobenzoic acid, 97% (CAS 74230-08-3)
- 5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 320405-83-2)
- (1R,5S,6s)-3-Oxabicyclo[3.1.0]hexan-6-amine (CAS 1286315-98-7)
- 3-(1-Ethyl-1H-indol-3-yl)propan-1-amine (CAS 586336-41-6)
- 4-Ethynylthiophene-2-carbaldehyde (CAS 913828-75-8)
- 3-(Ethylthio)-5-methylpicolinic acid (CAS 1956365-75-5)
- 1-(isocyanatomethyl)-2-(trifluoromethyl)benzene (CAS 55204-86-9)
- 2-(Carboxy(hydroxy)methyl)-7-fluorobenzo[d]oxazole (CAS 1804089-39-1)
- 5-Bromo-3-(methylsulfonyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1309778-79-7)
- 4-Chloro-5-fluoropyridin-2(1H)-one (CAS 1227571-38-1)
- 1-(2-Bromo-1-(cyclopentyloxy)ethyl)-2-methylbenzene (CAS 1248824-12-5)
- (His32,Leu34)-Neuropeptide Y (32-36) (CAS 168916-68-5)
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