4,4,5,5-Tetramethyl-2-(4-((4-(trifluoromethyl)benzyl)oxy)phenyl)-1,3,2-dioxaborolane CAS 1813554-40-3
| CAS No. | 1813554-40-3 |
| Molecular Formula | C20H22BF3O3 |
| Molecular Weight | 378.19 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.
4,4,5,5-Tetramethyl-2-(4-((4-(trifluoromethyl)benzyl)oxy)phenyl)-1,3,2-dioxaborolane (CAS 1813554-40-3) is a high-purity analytical reference standard with the molecular formula C20H22BF3O3 and a molecular weight of 378.19 g/mol.
Structurally, 4,4,5,5-Tetramethyl-2-(4-((4-(trifluoromethyl)benzyl)oxy)phenyl)-1,3,2-dioxaborolane (C20H22BF3O3) contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 378.19 g/mol, it falls into the moderately-high-molecular-weight range. 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), 4,4,5,5-Tetramethyl-2-(4-((4-(trifluoromethyl)benzyl)oxy)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.
Physical & Chemical Properties
| Molecular Formula | C20H22BF3O3 |
| Molecular Weight | 378.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(4-((3-(trifluoromethyl)benzyl)oxy)phenyl)-1,3,2-dioxaborolane (CAS 1813554-41-4)
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Recommended Standards
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