2-(8-Oxabicyclo[3.2.1]oct-3-en-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2304631-44-3
| CAS No. | 2304631-44-3 |
| Molecular Formula | C13H21BO3 |
| Molecular Weight | 236.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-(8-Oxabicyclo[3.2.1]oct-3-en-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2304631-44-3), molecular formula C13H21BO3 and molecular weight 236.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(8-Oxabicyclo[3.2.1]oct-3-en-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C13H21BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 236.12 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H21BO3 |
| Molecular Weight | 236.12 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
Related Oxabicyclo Standards
- 2-(3-Oxabicyclo[5.1.0]octan-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2489456-39-3)
- 1-Phenyl-2-oxabicyclo[2.2.2]Octane-4-carboxylic acid (CAS 2133846-81-6)
- (2-(7-Oxabicyclo[4.1.0]Heptan-3-yl)ethyl)dimethoxy(methyl)silane (CAS 97802-57-8)
- (6-Oxabicyclo[3.2.1]octan-2-yl)methanesulfonyl chloride (CAS 2137810-94-5)
- 2-(3-Oxabicyclo[4.1.0]heptan-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2489456-37-1)
- 6-Oxabicyclo[3.1.0]hex-3-ene (CAS 7129-41-1)
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- (1-Phenyl-2-oxabicyclo[2.2.2]Octan-4-yl)methanol (CAS 2133846-80-5)
Recommended Standards
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- 1-(1-Methylcyclohexyl)ethanone (CAS 2890-62-2)
- 5-(Piperidine-1-carboxamido)naphthalene-1-sulfonyl chloride (CAS 728864-81-1)
- 2-Mercapto-N6-Isopentenyladenine (CAS 52172-12-0)
- 1-(Trimethylsilyl)-2-piperidinone 3553-93-3 N-Trimethylsilyl-2-piperidinone Trimethylsilyl Valerolactam (CAS 3553-93-3)
- methyl (5S)-5-(8-chloro-1-naphthyl)-5-hydroxy-3-oxo-pentanoate (CAS 2648585-77-5)
- (3-(5-((1-Methylpiperidin-4-yl)methoxy)pyrimidin-2-yl)phenyl)methanol (CAS 1100598-48-8)
- 208665-95-6 3-Bromo-4-(2-methylpropoxy)benzonitrile DTXSID70677400 (CAS 208665-95-6)
- Biotin impurity 01 (CAS 33607-60-2)
- Benzofuran-3,6-diol (CAS 572916-04-2)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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