4'-Bromo-3,5-di-tert-butyl-1,1'-biphenyl CAS 343254-68-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343254-68-2 |
| Molecular Formula | C20H25Br |
| Molecular Weight | 345.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4'-Bromo-3,5-di-tert-butyl-1,1'-biphenyl (CAS 343254-68-2) pharmaceutical standards reference standard. Molecular formula: C20H25Br. Molecular weight: 345.32 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H25Br |
| Molecular Weight | 345.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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Recommended Standards
- 4-(1H-Benzimidazol-2-yl)-1-[3-(trifluoromethyl)phenyl]pyrrolidin-2-one (CAS 847395-08-8)
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- 3-Phenyl-4-[({[3-(trifluoromethyl)phenyl]methyl}amino)methylidene]-4,5-dihydro-1H-pyrazol-5-one (CAS 477850-66-1)
- methyl 3-[2-(p-tolylsulfonyloxy)ethyl]cyclobutanecarboxylate (CAS 2231673-52-0)
- 1,3-Dimethyl 2-{4-[methyl(phenyl)sulfamoyl]-2-nitrophenyl}propanedioate (CAS 860785-56-4)
- (R)-1-(Furan-2-yl)ethyl acetate (CAS 113471-32-2)
- 4-[3-(Trifluoromethyl)phenyl]-3-thiosemicarbazide (CAS 20069-30-1)
- Nebivolol Impurity 96 (CAS CATO-C4X-196896)
- Ethyl 2,2-Dimethyl-3-(4-mercaptophenyl)propionate (CAS 869853-73-6)
- Polymyxin B nonapeptide TFA (CAS 2220175-42-6)
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