2,7-Dibromo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene] CAS 439791-57-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439791-57-8 |
| Molecular Formula | C33H30Br2 |
| Molecular Weight | 586.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,7-Dibromo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene] (CAS 439791-57-8) pharmaceutical standards reference standard. Molecular formula: C33H30Br2. Molecular weight: 586.40 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C33H30Br2 |
| Molecular Weight | 586.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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