2-[5-Nitro-2-oxo-1,3-benzoxazol-3(2H)-yl]acetamide CAS 439095-26-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439095-26-8 |
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[5-Nitro-2-oxo-1,3-benzoxazol-3(2H)-yl]acetamide (CAS 439095-26-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7N3O5. Molecular weight: 237.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 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.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 4-Cyclohexyl-3-methyl-4-oxo-3-phenylbutanal (CAS 228419-04-3)
- 7-Amino-3,3,5-trimethyl-2,3,4,5-tetrahydro-1,5-benzoxazepin-4-one (CAS 1170520-94-1)
- 3-Bromo-3'-isopropoxy-1,1'-biphenyl (CAS 1443310-43-7)
- 4-Oxo-3,4-dihydropyrido[3,2-d]pyrimidine-7-carbonitrile (CAS 1824092-20-7)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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