(E)-4,4,5,5-Tetramethyl-2-(4-styrylphenyl)-1,3,2-dioxaborolane CAS 943858-44-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 943858-44-4 |
| Molecular Formula | C20H23BO2 |
| Molecular Weight | 306.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (E)-4,4,5,5-Tetramethyl-2-(4-styrylphenyl)-1,3,2-dioxaborolane (CAS 943858-44-4) pharmaceutical standards reference standard. Molecular formula: C20H23BO2. Molecular weight: 306.21 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H23BO2 |
| Molecular Weight | 306.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related E Standards
- 2-Methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)butan-2-ol (CAS 1699742-30-7)
- 1-Ethyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)thiourea (CAS 1073353-86-2)
- 4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)thiomorpholine (CAS 1352413-75-2)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,10-phenanthroline (CAS 1156493-59-2)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenazine (CAS 1961257-97-5)
- 1-Methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-yl)piperazine (CAS 1046793-62-7)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluoren-9-one (CAS 1021306-45-5)
- Ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)acetate (CAS 269410-28-8)
Recommended Standards
- (E)-2-(2,3-dichlorostyryl)benzo[d]thiazole (CAS 338415-37-5)
- (Z)-2-(1,2-Diphenylvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 264144-59-4)
- (E)-2-(2-([1,1'-Biphenyl]-4-yl)vinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 941666-88-2)
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