(S)-isoxazolidin-4-ol CAS 496791-22-1
| CAS No. | 496791-22-1 |
| Molecular Formula | C3H7NO2 |
| Molecular Weight | 89.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-isoxazolidin-4-ol (CAS 496791-22-1) is a high-purity analytical reference standard with the molecular formula C3H7NO2 and a molecular weight of 89.09 g/mol.
(S)-isoxazolidin-4-ol (C3H7NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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.
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), (S)-isoxazolidin-4-ol 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 | C3H7NO2 |
| Molecular Weight | 89.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related S Standards
- (R)-isoxazolidin-4-ol (CAS 496792-46-2)
- Isoxazolidin-4-ol (CAS 412279-21-1)
- Isoxazolidin-3-one (CAS 1192-07-0)
- Di(isoxazolidin-2-yl)methane (CAS 63489-62-3)
- 4-(Isoxazolidin-2-yl)benzonitrile (CAS 1878438-06-2)
- 4-(Isoxazolidin-2-yl)benzaldehyde (CAS 2302863-97-2)
- 3-(Isoxazolidin-2-yl)propanoic acid hydrochloride (CAS 1255718-14-9)
- (R)-Isoxazolidin-4-ol Hydrochloride (CAS 338464-48-5)
Recommended Standards
- (S)-(-)-Lactamide (CAS 89673-71-2)
- 2-(4-(Dimethylamino)phenyl)-1-phenylethanone (CAS 6266-95-1)
- 2-Hydroxy-N-methylacetamide (CAS 5415-94-1)
- (R)-(+)-Lactamide (CAS 598-81-2)
- Methyl 2-amino-3-bromo-5-fluorobenzoate (CAS 864293-46-9)
- J81E81G364 131179-95-8 Efaproxiral [USAN:INN] Efaproxiral Propanoic acid, 2-(4-(2-((3,5-dimethylphenyl)amino)-2-oxoethyl)phenoxy)-2-methyl- 2-(4-(((3,5-Dimethylanilino)carbonyl)methyl)phenoxy)-2-methylpropionic acid 2-Dacmpp RSR 13 Efaproxyn 2-(4-((3,5-Dimethylphenyl)amino)-2-oxoethyl)phenoxy)-2-methylpropanic acid UNII-J81E81G364 RSR13 (CAS 131179-95-8)
- 6-Bromo-2-fluoro-3-methylpyridine (CAS 1211536-81-0)
- benzyl(3-bromo-2-phenylpropyl)methylamine hydrobromide (CAS 1864060-57-0)
- 1-(2-(Ethylamino)pyrimidin-4-yl)ethanone (CAS 864464-02-8)
- 6-(Phenylsulfonyl)-5-(trifluoromethyl)-2-(3-(trifluoromethyl)phenyl)pyridazin-3(2H)-one (CAS 866131-11-5)
- 5-Chloro-1-(3-chlorophenyl)-3-(propan-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 1152960-99-0)
- 3-(1,2-oxazol-3-yl)propanoic acid (CAS 855747-49-8)
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- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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