tert-Butyldimethyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane CAS 1218789-84-4
| CAS No. | 1218789-84-4 |
| Molecular Formula | C19H33BO3Si |
| Molecular Weight | 348.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 348.36 g/mol gives tert-Butyldimethyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
tert-Butyldimethyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane (CAS 1218789-84-4), molecular formula C19H33BO3Si and molecular weight 348.36 g/mol, is a CATO reference standard with documented purity and traceability.
tert-Butyldimethyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane (C19H33BO3Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), tert-Butyldimethyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H33BO3Si |
| Molecular Weight | 348.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
Related tert Standards
- tert-Butyldimethyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyloxy)silane (CAS 803730-88-3)
- tert-Butyldimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-yl)oxy)silane (CAS 865869-27-8)
- tert-Butyldimethyl((3-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)oxy)silane (CAS 2304634-49-7)
- tert-Butyldimethyl(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane (CAS 902120-00-7)
- tert-Butyldimethyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)silane (CAS 873426-76-7)
- Tert-butyldimethyl(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)silane (CAS 1073371-74-0)
- tert-Butyldimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopent-2-en-1-yl)oxy)silane (CAS 2304663-74-7)
- tert-Butyldimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-1-yl)oxy)silane (CAS 1307230-96-1)
Recommended Standards
- Methyl 6-(1-ethyl-1H-pyrazol-3-yl)-3-phenylisoxazolo[5,4-b]pyridine-4-carboxylate (CAS 1170265-89-0)
- Ethyl 4-(6-methyl-4-oxo-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxamido)piperidine-1-carboxylate (CAS 1396859-05-4)
- 4'-Methoxyisoagarotetrol (CAS 104901-10-2)
- (2-Methyl-4,5-dihydrobenzo[b]imidazo[4,5-d]azepin-6(3H)-yl)(4-nitrophenyl)methanone (CAS 168626-71-9)
- (S)-1-(tert-butoxycarbonyl)-2-isopropyl-5-oxopyrrolidine-2-carboxylic acid (CAS 790304-93-7)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
- 2-(3-methoxycarbonyl-1-bicyclo[1.1.1]pentanyl)acetic acid (CAS 1113001-63-0)
- Pyrazole-3-carbonitrile (CAS 36650-74-5)
- 4-([1,2,4]triazolo[4,3-a]pyrimidin-3-yl)benzoic acid (CAS 1018588-63-0)
- Azacitidine Impurity 12 (CAS 65126-88-7)
- (2-Chloro-6-methoxyphenyl)methanol (CAS 1038726-89-4)
- Methyl 6-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-{[(4-chlorophenyl)carbamoyl]amino}-4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxylate (CAS 321430-32-4)
- STF 083010 (CAS 307543-71-1)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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