((3R,5S)-2,3,5-Triphenylisoxazolidin-5-yl)methanol CAS 675129-97-2
| CAS No. | 675129-97-2 |
| Molecular Formula | C22H21NO2 |
| Molecular Weight | 331.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of ((3R,5S)-2,3,5-Triphenylisoxazolidin-5-yl)methanol is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
((3R,5S)-2,3,5-Triphenylisoxazolidin-5-yl)methanol (CAS 675129-97-2), molecular formula C22H21NO2 and molecular weight 331.41 g/mol, is a CATO reference standard with documented purity and traceability.
((3R,5S)-2,3,5-Triphenylisoxazolidin-5-yl)methanol (C22H21NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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).
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), ((3R,5S)-2,3,5-Triphenylisoxazolidin-5-yl)methanol 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 | C22H21NO2 |
| Molecular Weight | 331.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
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