5-(3,4-Dimethoxyphenyl)oxazole-4-carboxamide CAS 89205-14-1
| CAS No. | 89205-14-1 |
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(3,4-Dimethoxyphenyl)oxazole-4-carboxamide 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.
5-(3,4-Dimethoxyphenyl)oxazole-4-carboxamide (CAS 89205-14-1) is a high-purity analytical reference standard with the molecular formula C12H12N2O4 and a molecular weight of 248.23 g/mol.
Based on its molecular formula C12H12N2O4, 5-(3,4-Dimethoxyphenyl)oxazole-4-carboxamide 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 248.23 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Dimethoxyphenyl Standards
- 5-(2,4-Dimethoxyphenyl)uracil (CAS 1005386-84-4)
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Recommended Standards
- 5-(3,4-Dimethoxyphenyl)-1h-pyrazole-4-carboxylic acid (CAS 879996-77-7)
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