4-(tert-Butyldimethylsilyloxy)phenylboronic Acid (contains varying amounts of Anhydride) CAS 159191-56-7
| CAS No. | 159191-56-7 |
| Molecular Formula | C12H21BO3Si |
| Molecular Weight | 252.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(tert-Butyldimethylsilyloxy)phenylboronic Acid (contains varying amounts of Anhydride) (CAS 159191-56-7), a certified reference material (molecular formula C12H21BO3Si, MW 252.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H21BO3Si, 4-(tert-Butyldimethylsilyloxy)phenylboronic Acid (contains varying amounts of Anhydride) contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 252.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.
Physical & Chemical Properties
| Molecular Formula | C12H21BO3Si |
| Molecular Weight | 252.19 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.) | 2002 |
Related tert Standards
- 3-(tert-Butyldimethylsilyloxy)phenylboronic Acid (CAS 261621-12-9)
- 6-[(tert-Butyldimethylsilyloxy)methyl]picolinaldehyde (CAS 162084-83-5)
- 5-(TERT-BUTYLDIMETHYLSILYLOXY)-4,4-DIMETHYL-3-OXOPENTANENITRILE (CAS 1229454-44-7)
- 5-(tert-Butyldimethylsilyloxy)-1H-indole (CAS 106792-38-5)
- 3-(tert-Butyldimethylsilyloxy)glutaric anhydride (CAS 91424-40-7)
- 8-(tert-Butyldimethylsilyloxy)-1-octanol (CAS 91898-32-7)
- 4-(tert-Butyldimethylsilyloxy)-3-methylaniline (CAS 309712-95-6)
- 4-(tert-Butyldimethylsilyloxy)benzaldehyde (CAS 120743-99-9)
Recommended Standards
- 3-Methyl-N-(4,4,4-trifluoro-3-hydroxybutyl)isoxazole-5-carboxamide (CAS 1376239-41-6)
- Pyrazin-2-yl(3-(trifluoromethyl)phenyl)methanone (CAS 174813-01-5)
- Sodium (Z)-4-(1-ethyl-3-methyl-1H-pyrazol-4-yl)-1,1-difluoro-4-oxobut-2-en-2-olate (CAS 1332317-69-7)
- (2-((tert-Butyldimethylsilyl)oxy)phenyl)boronic acid (CAS 929277-63-4)
- 8-Fluoro-3-hydroxyquinolin-2(1H)-one (CAS 1159706-28-1)
- 1-(3,4-Dihydronaphthalen-2-yl)-1H-imidazole (CAS 89781-63-5)
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- 2,2,2-Trifluoro-1-naphthalen-1-yl-ethylamine (CAS 326594-18-7)
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