5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one CAS 220991-61-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 220991-61-7 |
| Molecular Formula | C16H11F4NO |
| Molecular Weight | 309.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one (CAS 220991-61-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H11F4NO. Molecular weight: 309.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H11F4NO |
| Molecular Weight | 309.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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