tert-Butyl 3-oxo-4-isoxazolidinylcarbamate CAS 359004-20-9
| CAS No. | 359004-20-9 |
| Molecular Formula | C8H14N2O4 |
| Molecular Weight | 202.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl 3-oxo-4-isoxazolidinylcarbamate (CAS 359004-20-9), molecular formula C8H14N2O4 and molecular weight 202.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H14N2O4, tert-Butyl 3-oxo-4-isoxazolidinylcarbamate 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 202.21 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.
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 | C8H14N2O4 |
| Molecular Weight | 202.21 g/mol |
| Appearance | White to pale 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- Tolimidone (CAS 41964-07-2)
- Phenylphosphonothioic Acid Ethyl Ester (CAS 6230-93-9)
- Tret-butyl n-(2-oxo-1,3-oxazolidin-4-yl)carbamate (CAS 911795-60-3)
- Methyl 1-methyl-5-(thiophen-2-yl)-1H-pyrazole-3-carboxylate (CAS 876316-59-5)
- 1-(2,4-Difluorophenyl)-4-iodo-1H-pyrazolo[3,4-b]pyridine (CAS 1356054-70-0)
- 6,8-Dichloro-2-methylquinolin-3-ol (CAS 59869-03-3)
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- Methyl 3-amino-1-(4-methoxybenzyl)-1H-pyrazole-5-carboxylate (CAS 625386-12-1)
- n-Ethyl-6-fluoro-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1427378-68-4)
- 1-[(4-Methylbenzene)sulfonyl]-2-nitro-1H-indole (CAS 1491230-49-9)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
Why CATO?
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