5-Ethoxy-2-fluoro-3-(trifluoromethyl)phenylboronic acid CAS 2096332-76-0
| CAS No. | 2096332-76-0 |
| Molecular Formula | C9H9BF4O3 |
| Molecular Weight | 251.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Ethoxy-2-fluoro-3-(trifluoromethyl)phenylboronic acid.
5-Ethoxy-2-fluoro-3-(trifluoromethyl)phenylboronic acid (CAS 2096332-76-0) is a high-purity analytical reference standard with the molecular formula C9H9BF4O3 and a molecular weight of 251.97 g/mol.
Structurally, 5-Ethoxy-2-fluoro-3-(trifluoromethyl)phenylboronic acid (C9H9BF4O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 251.97 g/mol, it falls into the medium-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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Ethoxy-2-fluoro-3-(trifluoromethyl)phenylboronic acid 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 | C9H9BF4O3 |
| Molecular Weight | 251.97 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
Related Ethoxy Standards
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