5-Methyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic acid CAS 842958-54-7
| CAS No. | 842958-54-7 |
| Molecular Formula | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic acid (C10H8N2O3) contains an amino-acid-derived structure, 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).
5-Methyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic acid (CAS 842958-54-7) is a high-purity analytical reference standard with the molecular formula C10H8N2O3 and a molecular weight of 204.18 g/mol.
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 5-Methyl-3-(pyridin-3-yl)-1,2-oxazole-4-carboxylic 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 | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- Methyl2-(pyridin-3-yl)oxazole-4-carboxylate (CAS 1065102-69-3)
- 5-Methyl-3-(pyridin-2-yl)-1,2-oxazole-4-carboxylic acid (CAS 842958-49-0)
- 5-Methyl-3-(pyridin-4-yl)-1,2-oxazole-4-carboxylic acid (CAS 90771-23-6)
- Methyl 2-(pyridin-4-yl)-1,3-oxazole-4-carboxylate (CAS 955401-44-2)
- Methyl 3-(pyridin-3-yl)-1,2-oxazole-5-carboxylate (CAS 330558-59-3)
- methyl 1-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylate (CAS 1012081-63-8)
- 1-(pyridin-2-ylmethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1248469-80-8)
- 1-(pyridin-3-ylmethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1340338-96-6)
Recommended Standards
- 5-Methyl-3-(4-nitrophenyl)isoxazole (CAS 30213-79-7)
- 5-Methyl-4-nitro-1H-indole-2-carbaldehyde (CAS 61149-55-1)
- 5-Methyl-3-(2-nitrophenyl)isoxazole (CAS 926316-89-4)
- 5-Methyl-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid (CAS 36991-40-9)
- 3-[N-(4-methylphenyl)benzenesulfonamido]propanoic acid (CAS 565165-50-6)
- 2-(3,5-Dichlorophenyl)isonicotinic acid (CAS 1261996-13-7)
- 7-fluoro-1H-pyrazolo[4,3-b]pyridine (CAS 1378820-30-4)
- tert-Butyl 2-(6-((tert-butoxycarbonyl)(cyclobutyl)amino)pyridin-3-yl)piperidine-1-carboxylate (CAS 1352482-44-0)
- 5-Bromo-4-methoxy-2-(trifluoromethyl)pyridine (CAS 1256790-33-6)
- 7-Methyl-2,3-dihydrobenzofuran-5-ol (CAS 359844-56-7)
- Methyl 3,5-dibromo-2-chloroisonicotinate (CAS 2848724-58-1)
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- 3-(Bicyclo[1.1.1]Pentan-1-yl)propiolic acid (CAS 128011-03-0)
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