| CAS No. | 303152-94-5 |
| Molecular Formula | C19H21ClF3N3O5 |
| Molecular Weight | 463.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
High-purity Ethyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3a',4',8',8a'-tetrahydrospiro[piperidine-4,6'-[1,3]dioxepino[5,6-d]isoxazole]-3'-carboxylate (CAS 303152-94-5) pharmaceutical standards reference standard. Molecular formula: C19H21ClF3N3O5. Molecular weight: 463.84 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
| Molecular Formula | C19H21ClF3N3O5 |
| Molecular Weight | 463.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |