tert-butyl (4S)-4-aminoisoxazolidine-2-carboxylate CAS 2126142-98-9
| CAS No. | 2126142-98-9 |
| Molecular Formula | C8H16N2O3 |
| Molecular Weight | 188.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 188.22 g/mol gives tert-butyl (4S)-4-aminoisoxazolidine-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
tert-butyl (4S)-4-aminoisoxazolidine-2-carboxylate (CAS 2126142-98-9) is a high-purity analytical reference standard with the molecular formula C8H16N2O3 and a molecular weight of 188.22 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, tert-butyl (4S)-4-aminoisoxazolidine-2-carboxylate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures tert-butyl (4S)-4-aminoisoxazolidine-2-carboxylate 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 | C8H16N2O3 |
| Molecular Weight | 188.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
Recommended Standards
- tert-butyl (4R)-4-amino-1,2-oxazolidine-2-carboxylate (CAS 2089610-73-9)
- tert-Butyl 2-(methylamino)-2-oxoethylcarbamate (CAS 88815-85-4)
- tert-Butyl (3-amino-3-oxopropyl)carbamate (CAS 65983-35-9)
- tert-Butyl 4-hydroxytetrahydrofuran-3-carboxylate (CAS 797038-33-6)
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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