2,3-Dihydro-benzo[1,4]oxazine-2,4-dicarboxylic acid 4-tert-butyl ester CAS 939525-77-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 939525-77-6 |
| Molecular Formula | C14H17NO5 |
| Molecular Weight | 279.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydro-benzo[1,4]oxazine-2,4-dicarboxylic acid 4-tert-butyl ester (CAS 939525-77-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H17NO5. Molecular weight: 279.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H17NO5 |
| Molecular Weight | 279.29 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, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
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- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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