2-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)cyclopentanone CAS 134892-21-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134892-21-0 |
| Molecular Formula | C12H21BO3 |
| Molecular Weight | 224.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)cyclopentanone (CAS 134892-21-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H21BO3. Molecular weight: 224.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H21BO3 |
| Molecular Weight | 224.10 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1995 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(4-methyl-3,4-dihydro-2H-pyran-6-yl)-1,3,2-dioxaborolane (CAS 1046811-98-6)
- 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-ol (CAS 1310384-24-7)
- 4,4,5,5-Tetramethyl-2-((tetrahydro-4H-pyran-4-ylidene)methyl)-1,3,2-dioxaborolane (CAS 2304634-36-2)
- 4,4,5,5-Tetramethyl-2-(2,5,6,7-tetrahydrooxepin-3-yl)-1,3,2-dioxaborolane (CAS 2489456-35-9)
- 4,4,5,5-Tetramethyl-2-(3-methyl-3,6-dihydro-2H-pyran-4-yl)-1,3,2-dioxaborolane (CAS 2244092-89-3)
- 4,4,5,5-tetramethyl-2-(3-oxabicyclo[4.1.0]heptan-6-yl)-1,3,2-dioxaborolane (CAS 2374751-49-0)
- 4,4,5,5-Tetramethyl-2-(thiophen-3-ylmethyl)-1,3,2-dioxaborolane (CAS 1444010-65-4)
- 4,4,5,5-Tetramethyl-2-(thiophen-2-ylmethyl)-1,3,2-dioxaborolane (CAS 1638933-18-2)
Recommended Standards
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- 5,7-Difluoro-2-methylquinolin-4(1H)-one (CAS 288151-40-6)
- 1-(5-Chloro-3-nitropyridin-2-yl)ethanone (CAS 1071691-19-4)
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- [(4-fluorophenyl)(pyrimidin-2-yl)methyl](methyl)amine (CAS 1182787-01-4)
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- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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