2,6-Difluoro-3-methoxyphenylboronic acid CAS 870779-02-5
| CAS No. | 870779-02-5 |
| Molecular Formula | C7H7BF2O3 |
| Molecular Weight | 187.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,6-Difluoro-3-methoxyphenylboronic acid (CAS 870779-02-5), a certified reference material (molecular formula C7H7BF2O3, MW 187.94 g/mol) for analytical method development and quality control.
Structurally, 2,6-Difluoro-3-methoxyphenylboronic acid (C7H7BF2O3) 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 187.94 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), 2,6-Difluoro-3-methoxyphenylboronic 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 | C7H7BF2O3 |
| Molecular Weight | 187.94 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, water |
| 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.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,3-Difluoro-4-(hydroxymethyl)phenylboronic acid (CAS 1315281-32-3)
- 2,4-Difluoro-3-(hydroxymethyl)phenylboronic acid (CAS 1352813-46-7)
- (2,4-Difluoro-5-methoxyphenyl)boronic acid (CAS 1395417-65-8)
- (2,3-Difluoro-4-methoxyphenyl)boronic acid (CAS 170981-41-6)
- 2,4-Difluoro-6-methoxyphenylboronic Acid (CAS 1808997-86-5)
- (2,4-Difluoro-3-methoxyphenyl)boronic acid (CAS 406482-18-6)
- (3,4-Difluoro-2-methoxyphenyl)boronic acid (CAS 905583-06-4)
- (3,4-Difluoro-5-methoxyphenyl)boronic acid (CAS 925910-42-5)
Recommended Standards
- 2,6-Difluoro-3-hydroxymethylphenylboronic acid (CAS 2121512-29-4)
- 2,6-Difluoro-4-methoxyphenylboronic acid (CAS 406482-20-0)
- 2,3-Difluoro-6-methoxyphenylboronicacid (CAS 957061-21-1)
- 3,5-Difluoro-2-methoxybenzeneboronic acid (CAS 737000-76-9)
- 3-(4'-Bromophenyl)-6-methoxycoumarin (CAS 262591-02-6)
- 2-Oxo-1-[4-(propan-2-yl)phenyl]pyrrolidine-3-carboxylic acid (CAS 1017473-49-2)
- 1-Allyl-2-bromobenzene 2-Allylbromobenzene 2-Allylphenyl bromide 2-Bromo-1-allylbenzene 42918-20-7 o-Allylbromobenzene (CAS 42918-20-7)
- (4-(Benzylcarbamoyl)-3-chlorophenyl)boronic acid (CAS 850589-42-3)
- 5-Ethyl-3-mesitylisoxazole (CAS 449181-22-0)
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