| CAS No. | 1011459-26-9 |
| Molecular Formula | C14H21BO4S |
| Molecular Weight | 296.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 296.19 g/mol gives 4,4,5,5-Tetramethyl-2-(2-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,4,5,5-Tetramethyl-2-(2-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane (CAS 1011459-26-9), molecular formula C14H21BO4S and molecular weight 296.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H21BO4S, 4,4,5,5-Tetramethyl-2-(2-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 296.19 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.
As a certified reference material (CRM), 4,4,5,5-Tetramethyl-2-(2-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane 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.
| Molecular Formula | C14H21BO4S |
| Molecular Weight | 296.19 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Sulfur Atoms | 1 |