| CAS No. | 1775353-99-5 |
| Molecular Formula | C20H20F2N4O3 |
| Molecular Weight | 402.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
High-purity 2-[(2,5-Difluorophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775353-99-5) pharmaceutical standards reference standard. Molecular formula: C20H20F2N4O3. Molecular weight: 402.39 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
| Molecular Formula | C20H20F2N4O3 |
| Molecular Weight | 402.39 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |