3-(2-Methoxy-phenyl)-4,5-dihydro-isoxazole-5-carboxylic acid 4511AE 508182-19-2 C11H11NO4 CAS 508182-19-2
| CAS No. | 508182-19-2 |
| Molecular Formula | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-Methoxy-phenyl)-4,5-dihydro-isoxazole-5-carboxylic acid 4511AE 508182-19-2 C11H11NO4 (CAS 508182-19-2) is a high-purity analytical reference standard with the molecular formula C11H11NO4 and a molecular weight of 221.21 g/mol.
Based on its molecular formula C11H11NO4, 3-(2-Methoxy-phenyl)-4,5-dihydro-isoxazole-5-carboxylic acid 4511AE 508182-19-2 C11H11NO4 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 221.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 3-(2-Methoxy-phenyl)-4,5-dihydro-isoxazole-5-carboxylic acid 4511AE 508182-19-2 C11H11NO4 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 | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- α-MSH (PT-141) (CAS 189691-06-3(free base))
- 3,6-Dichloro-5-(trifluoromethyl)picolinic acid (CAS 2761296-99-3)
- Tert-butyl (3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)carbamate (CAS 1417637-90-1)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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