(S)-2-amino-3-(4-hexyl-3-oxo-2,3-dihydroisoxazol-5-yl)propanoic acid (alphas)-alpha-Amino-4-hexyl-2,3-dihydro-3-oxo-5-isoxazolepropanoic acid 334887-48-8 CAS 334887-48-8
| CAS No. | 334887-48-8 |
| Molecular Formula | C12H20N2O4 |
| Molecular Weight | 256.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2-amino-3-(4-hexyl-3-oxo-2,3-dihydroisoxazol-5-yl)propanoic acid (alphas)-alpha-Amino-4-hexyl-2,3-dihydro-3-oxo-5-isoxazolepropanoic acid 334887-48-8 is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (S)-2-amino-3-(4-hexyl-3-oxo-2,3-dihydroisoxazol-5-yl)propanoic acid (alphas)-alpha-Amino-4-hexyl-2,3-dihydro-3-oxo-5-isoxazolepropanoic acid 334887-48-8 (CAS 334887-48-8), a certified reference material (molecular formula C12H20N2O4, MW 256.30 g/mol) for analytical method development and quality control.
(S)-2-amino-3-(4-hexyl-3-oxo-2,3-dihydroisoxazol-5-yl)propanoic acid (alphas)-alpha-Amino-4-hexyl-2,3-dihydro-3-oxo-5-isoxazolepropanoic acid 334887-48-8 (C12H20N2O4) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-2-amino-3-(4-hexyl-3-oxo-2,3-dihydroisoxazol-5-yl)propanoic acid (alphas)-alpha-Amino-4-hexyl-2,3-dihydro-3-oxo-5-isoxazolepropanoic acid 334887-48-8 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 | C12H20N2O4 |
| Molecular Weight | 256.30 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 DMSO, DMF, methanol |
| 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.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 3,4-Dichloro-5-(difluoromethoxy)acetophenone (CAS 1804421-08-6)
- Ethyl 2-iodothiophene-3-carboxylate (CAS 225797-23-9)
- 2-((3-Bromobenzyl)oxy)-1,4-dichlorobenzene (CAS 1309934-00-6)
- 3-[(Tetrahydro-2-furanyl)methoxy]propanenitrile (CAS 5338-10-3)
- Methyl 3-((tert-butoxycarbonyl)amino)-4-phenylbutanoate (CAS 142854-48-6)
- Methyl 2-amino-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate dihydrochloride (CAS 1211507-97-9)
- N-(2-(4-Fluorophenoxy)ethyl)-1-phenylmethanesulfonamide (CAS 1105221-28-0)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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