2,7-Dibromo-9,9-dipropylfluorene CAS 157771-56-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 157771-56-7 |
| Molecular Formula | C19H20Br2 |
| Molecular Weight | 408.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,7-Dibromo-9,9-dipropylfluorene (CAS 157771-56-7) pharmaceutical standards reference standard. Molecular formula: C19H20Br2. Molecular weight: 408.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H20Br2 |
| Molecular Weight | 408.17 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 1245816-22-1 3036AD 7-Tributylstannyl[1,2,4]triazolo[1,5-a]pyridine C18H31N3Sn (CAS 1245816-22-1)
- 4-(3-Ethoxyphenoxy)aniline (CAS 801989-82-2)
- 5-((4-Chlorophenyl)thio)-1-methyl-3-(trifluoromethyl)-N-(3-(trifluoromethyl)phenyl)-1H-pyrazole-4-carboxamide (CAS 321553-23-5)
- Methyl (s)-3-amino-3-(4-isopropylphenyl)propanoate (CAS 1213940-30-7)
- 3-Isopropoxyisoxazole-5-carboxylic acid (CAS 1086391-25-4)
- 3-(5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)butanoic acid (CAS 1525816-56-1)
- 4-Chloro-N-(piperidin-3-yl)benzenesulfonamide hydrochloride (CAS 1577064-45-9)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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