(3-(tert-butyl)-4,5-dimethoxyphenyl)boronic acid, 97% CAS 168985-95-3
| CAS No. | 168985-95-3 |
| Molecular Formula | C12H19BO4 |
| Molecular Weight | 238.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(3-(tert-butyl)-4,5-dimethoxyphenyl)boronic acid, 97% (CAS 168985-95-3), molecular formula C12H19BO4 and molecular weight 238.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H19BO4, (3-(tert-butyl)-4,5-dimethoxyphenyl)boronic acid, 97% contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), (3-(tert-butyl)-4,5-dimethoxyphenyl)boronic acid, 97% 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 | C12H19BO4 |
| Molecular Weight | 238.09 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.) | 2005 |
Recommended Standards
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- Tetrafluoroisophthalic Acid (CAS 1551-39-9)
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