(6-Ethoxy-2-fluoro-3-methylphenyl)boronic acid CAS 1451391-66-4
| CAS No. | 1451391-66-4 |
| Molecular Formula | C9H12BFO3 |
| Molecular Weight | 198.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (6-Ethoxy-2-fluoro-3-methylphenyl)boronic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(6-Ethoxy-2-fluoro-3-methylphenyl)boronic acid (CAS 1451391-66-4) is a high-purity analytical reference standard with the molecular formula C9H12BFO3 and a molecular weight of 198.00 g/mol.
Structurally, (6-Ethoxy-2-fluoro-3-methylphenyl)boronic acid (C9H12BFO3) 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 198.00 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (6-Ethoxy-2-fluoro-3-methylphenyl)boronic 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 | C9H12BFO3 |
| Molecular Weight | 198.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1992 |
| Halogen Content | F-containing |
Related Ethoxy Standards
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- 2-Ethoxy-4-fluoro-5-methylphenylboronic acid (CAS 2096337-59-4)
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Recommended Standards
- 4-Fluoro-3-isopropoxyphenylboronic acid (CAS 1451390-94-5)
- (3-(Ethoxymethyl)-5-fluorophenyl)boronic acid (CAS 1704063-74-0)
- 2,4-Dichloro-3-(difluoromethyl)pyridine (CAS 1443290-44-5)
- (2-(Ethoxymethyl)-4-fluorophenyl)boronic acid (CAS 1704063-87-5)
- 4,4-Difluoropyrrolidin-3-ol (CAS 1638920-21-4)
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- Furfuryl isovalerate (CAS 13678-60-9)
- 5-Chloro-2-(piperidin-4-yloxy)pyridine dihydrochloride (CAS 944390-66-3)
- 3-(Furan-2-ylmethyl)-1-(4-hydroxyphenyl)urea (CAS 1881331-74-3)
- (5R,6S)-5-(4-(4-(Dimethoxymethyl)piperidin-1-yl)phenyl)-6-phenyl-5,6,7,8-tetrahydronaphthalen-2-ol (CAS 2229721-63-3)
- N-(4-methylbenzyl)tetrahydro-2H-pyran-4-amine (CAS 1154887-64-5)
- 4-Bromo-6-(difluoromethyl)pyridine-2,3-diol (CAS 1805282-44-3)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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