Methyl 3-[Hydroxy(4-nitrophenyl)methyl]isoxazole-4-carboxylate CAS 2006277-45-6
| CAS No. | 2006277-45-6 |
| Molecular Formula | C12H10N2O6 |
| Molecular Weight | 278.22 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.
CATO supplies Methyl 3-[Hydroxy(4-nitrophenyl)methyl]isoxazole-4-carboxylate (CAS 2006277-45-6), a certified reference material (molecular formula C12H10N2O6, MW 278.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H10N2O6, Methyl 3-[Hydroxy(4-nitrophenyl)methyl]isoxazole-4-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 278.22 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).
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 | C12H10N2O6 |
| Molecular Weight | 278.22 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 DMSO, DMF, methanol |
| 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.) | 1996 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
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Recommended Standards
- Ethyl 3,3,3-trifluoro-2-hydroxy-2-(4-methoxyphenyl)propanoate (CAS 502607-05-8)
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- Ethyl 1-(4-nitrophenyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate (CAS 959314-36-4)
- Entacapone EP Impurity B (CAS 1215039-66-9)
- 4-Isopropoxy-3-(trifluoromethyl)phenol (CAS 1243280-89-8)
- N-[(benzylamino)carbonyl]-3-chloropropanamide (CAS 923162-74-7)
- 6-(2,6-Difluorophenyl)-2,3-dihydropyridazin-3-one (CAS 1154598-26-1)
- Ketorolac EP Impurity C (CAS 1026936-07-1)
- n-(1-(4-Methoxyphenyl)ethyl)cyclopropanamine (CAS 926248-61-5)
- 904805-93-2 2-(2-Methoxyphenyl)-2-(piperidin-1-yl)ethan-1-amine DTXSID70588441 (CAS 904805-93-2)
- N-(3,5-Dichlorophenyl)-4-fluorobenzamide (CAS 316142-26-4)
- (2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-4-hydroxy-2-(hydroxymethyl)tetrahydrofuran-3-yl dihydrogen phosphate hydrate (CAS 699012-36-7)
- N-[2-(1-methyl-1H-1,3-benzodiazol-2-yl)propan-2-yl]benzamide (CAS 1461714-37-3)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
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