5-Chloro-3-(trifluoromethyl)isoxazole CAS 117541-42-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 117541-42-1 |
| Molecular Formula | C4HClF3NO |
| Molecular Weight | 171.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-(trifluoromethyl)isoxazole (CAS 117541-42-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4HClF3NO. Molecular weight: 171.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4HClF3NO |
| Molecular Weight | 171.51 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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