(4S,5R)-3-(tert-Butoxycarbonyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid CAS 143364-85-6
| CAS No. | 143364-85-6 |
| Molecular Formula | C12H21NO5 |
| Molecular Weight | 259.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H21NO5, (4S,5R)-3-(tert-Butoxycarbonyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid 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 259.30 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).
(4S,5R)-3-(tert-Butoxycarbonyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid (CAS 143364-85-6), molecular formula C12H21NO5 and molecular weight 259.30 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), (4S,5R)-3-(tert-Butoxycarbonyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H21NO5 |
| Molecular Weight | 259.30 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 1-(Tert-butyl) 3-methyl (3S,4R)-4-methoxypyrrolidine-1,3-dicarboxylate (CAS 1428775-90-9)
- 1-(Tert-butyl) 2-methyl (2R,4R)-4-hydroxy-2-methylpyrrolidine-1,2-dicarboxylate (CAS 144527-32-2)
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