6-Hydroxy-4-(4-methoxyphenyl)pyridine-2-carboxylic acid CAS 1503800-85-8
| CAS No. | 1503800-85-8 |
| Molecular Formula | C13H11NO4 |
| Molecular Weight | 245.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Hydroxy-4-(4-methoxyphenyl)pyridine-2-carboxylic acid (C13H11NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
6-Hydroxy-4-(4-methoxyphenyl)pyridine-2-carboxylic acid (CAS 1503800-85-8), molecular formula C13H11NO4 and molecular weight 245.23 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Hydroxy-4-(4-methoxyphenyl)pyridine-2-carboxylic acid 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 | C13H11NO4 |
| Molecular Weight | 245.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- (S)-5-((5-Hydroxy-1H-indol-3-yl)methyl)imidazolidine-2,4-dione (CAS 109063-48-1)
- 2-(4-Hydroxy-6-methyl-2-(pyridin-3-yl)pyrimidin-5-yl)acetic acid (CAS 1118787-12-4)
- Ethyl 6-hydroxy-2-(pyridin-2-yl)pyrimidine-4-carboxylate (CAS 1240596-40-0)
- 4-Hydroxy-6-methyl-2-oxo-1-phenyl-1,2-dihydropyridine-3-carboxylic acid (CAS 1427011-59-3)
- 2-Hydroxy-6-(4-methoxyphenyl)nicotinic acid (CAS 147269-07-6)
- 1-(8-Hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)butane-1,2-dione (CAS 62844-44-4)
- 2-Hydroxy-6-(3-methoxyphenyl)nicotinic acid (CAS 947013-49-2)
- 4-((4-Hydroxy-6-methylpyrimidin-2-yl)amino)benzoic acid (CAS 99989-32-9)
Recommended Standards
- Benzyl (2-oxo-2,3-dihydropyrimidin-4-yl)carbamate (CAS 149411-91-6)
- Ethyl 1-(5-formylpyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 1505914-27-1)
- Ethyl 4-(2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)benzoate (CAS 14794-06-0)
- 5-(3-methoxyphenoxy)pyridine-2-carboxylic acid (CAS 1522871-82-4)
- 3-Acetyl-5,7-dihydroxy-2-methyl-4H-1-benzopyran-4-one (CAS 1022-78-2)
- 3,5-Di(pyridin-4-yl)heptane-1,7-diol (CAS 14712-66-4)
- 2,2,2-Trifluoro-1-(2-(methylamino)cyclohex-1-en-1-yl)ethan-1-one (CAS 240121-54-4)
- 2-[(3-Methoxyphenyl)methyl]-1,3-propanediol (CAS 77756-13-9)
- 2-Amino-1,2,3,4-tetrahydronaphthalene-2-carboxylic Acid Hydrochloride (CAS 372143-98-1)
- N-Ethyl-N-Phenylurethane (CAS 1013-75-8)
- 2-Amino-N-phenyl-DL-propanamide (CAS 101961-58-4)
- Methyl 3,4-diethoxybenzoate (CAS 55919-73-8)
- 9-Bromo-6-isopropyl-6H-indolo[2,3-b]quinoxaline (CAS 443329-09-7)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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