tert-Butyl (3-methylisoxazol-4-yl)carbamate CAS 1285517-11-4
| CAS No. | 1285517-11-4 |
| Molecular Formula | C9H14N2O3 |
| Molecular Weight | 198.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
tert-Butyl (3-methylisoxazol-4-yl)carbamate (CAS 1285517-11-4) is a high-purity analytical reference standard with the molecular formula C9H14N2O3 and a molecular weight of 198.22 g/mol.
tert-Butyl (3-methylisoxazol-4-yl)carbamate (C9H14N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures tert-Butyl (3-methylisoxazol-4-yl)carbamate 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 | C9H14N2O3 |
| Molecular Weight | 198.22 g/mol |
| Appearance | Off-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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Ethyl 5-butyl-1,2,4-oxadiazole-3-carboxylate (CAS 1282006-64-7)
- tert-Butyl (5-methylisoxazol-4-yl)carbamate (CAS 1285517-13-6)
- 7-Methoxy-5H-pyrido[4,3-b]indole (CAS 128040-58-4)
- tert-Butyl (3-amino-1H-pyrazol-5-yl)carbamate (CAS 1290181-43-9)
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- N-(7-Bromoisoquinolin-3-yl)cyclopropanecarboxamide (CAS 1382846-24-3)
- Hexapeptide-11 (CAS 100684-36-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com