Ethyl 5-hydroxy-2-methyl-3-phenyl-5-(trifluoromethyl)isoxazolidine-4-carboxylate CAS 321391-90-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321391-90-6 |
| Molecular Formula | C14H16F3NO4 |
| Molecular Weight | 319.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-hydroxy-2-methyl-3-phenyl-5-(trifluoromethyl)isoxazolidine-4-carboxylate (CAS 321391-90-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H16F3NO4. Molecular weight: 319.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H16F3NO4 |
| Molecular Weight | 319.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Boc-L-3,4,5-trifluorophenylalanine (CAS 205445-54-1)
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- Bendroflumethiazide EP Impurity A (CAS 654-62-6)
- Methyl 2-amino-3-((1-methyl-1h-tetrazol-5-yl)thio)butanoate (CAS 1706431-29-9)
- tert-Butyl 6-oxa-1,9-diazaspiro[3.6]decane-1-carboxylate (CAS 1251022-85-1)
- 6-Chloro-4-(2-methoxy-5-(trifluoromethyl)-phenyl)-3-methylpyridazine (CAS 1354819-36-5)
- 4-Chloro-n-(pyridin-2-ylmethyl)aniline (CAS 27048-28-8)
- 4-(tert-Butyl)-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1643-86-3)
- 2-(3-Chloro-4-methylphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 313260-37-6)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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