4,4,5,5-Tetramethyl-2-[(1s,2s)-2-phenylcyclopropyl]-1,3,2-dioxaborolane CAS 1240492-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240492-43-6 |
| Molecular Formula | C15H21BO2 |
| Molecular Weight | 244.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4,5,5-Tetramethyl-2-[(1s,2s)-2-phenylcyclopropyl]-1,3,2-dioxaborolane (CAS 1240492-43-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H21BO2. Molecular weight: 244.14 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H21BO2 |
| Molecular Weight | 244.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Tetramethyl Standards
- (Z)-4,4,5,5-tetramethyl-2-(4-methylstyryl)-1,3,2-dioxaborolane (CAS 1192488-87-1)
- rac-4,4,5,5-tetramethyl-2-[(1R,2R)-2-phenylcyclopropyl]-1,3,2-dioxaborolane (CAS 1240492-27-6)
- (E)-4,4,5,5-Tetramethyl-2-(2-methylstyryl)-1,3,2-dioxaborolane (CAS 1294009-26-9)
- 4,4,5,5-Tetramethyl-2-(1-phenylcyclopropyl)-1,3,2-dioxaborolane (CAS 1314495-37-8)
- 4,4,5,5-Tetramethyl-2-(3-methylstyryl)-1,3,2-dioxaborolane (CAS 1315277-67-8)
- 4,4,5,5-Tetramethyl-2-(4-methylstyryl)-1,3,2-dioxaborolane (CAS 1377187-54-6)
- 4,4,5,5-Tetramethyl-2-((1R,2S)-2-phenylcyclopropyl)-1,3,2-dioxaborolane (CAS 1384753-69-8)
- 4,4,5,5-Tetramethyl-2-(1-(p-tolyl)vinyl)-1,3,2-dioxaborolane (CAS 1404192-78-4)
Recommended Standards
- 4-Cyclopropylphenylboronic Acid Pinacol Ester (CAS 1219741-94-2)
- Diisopropyl (p-tolylethynyl)boronate (CAS 1309981-25-6)
- 2-(Chloromethyl)-4-(2-chlorophenyl)-1,3-thiazole (CAS 1211510-85-8)
- (R)-2-(3,4-dimethoxyphenyl)-2-(methylamino)ethan-1-ol (CAS 1336325-28-0)
- 5-(4-Bromophenyl)-1-(2-methylpropyl)-1h-imidazole-2-thiol (CAS 796084-50-9)
- 6-Bromo-5-methoxypyridine-3-carboxylic acid (CAS 1256810-07-7)
- 2-((6-Isopropoxy-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile (CAS 1799439-17-0)
- (E)-Acetaldehyde O-(3-methoxyisoxazol-5-yl) oxime (CAS 55704-93-3)
- 1-(Perfluorophenyl)propan-1-ol (CAS 25622-74-6)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com