(3,4-Difluoro-5-methoxyphenyl)boronic acid CAS 925910-42-5
| CAS No. | 925910-42-5 |
| Molecular Formula | C7H7BF2O3 |
| Molecular Weight | 187.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 187.94 g/mol gives (3,4-Difluoro-5-methoxyphenyl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (3,4-Difluoro-5-methoxyphenyl)boronic acid (CAS 925910-42-5), a certified reference material (molecular formula C7H7BF2O3, MW 187.94 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (3,4-Difluoro-5-methoxyphenyl)boronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 187.94 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (3,4-Difluoro-5-methoxyphenyl)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 | 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)
- (3,5-Difluoro-4-(hydroxymethyl)phenyl)boronic acid (CAS 917969-79-0)
Recommended Standards
- (3,6-Difluoro-2-methoxyphenyl)boronic acid (CAS 919355-30-9)
- (2-(Difluoromethoxy)phenyl)boronic acid (CAS 947533-11-1)
- 2,3-Difluoro-5-methoxyphenylboronic acid (CAS 2230876-12-5)
- 2,3-Difluoro-6-methoxyphenylboronicacid (CAS 957061-21-1)
- 8-Methyl-7-nitroquinoline (CAS 168770-38-5)
- 2-Cyclopropoxy-1-isopropyl-3-nitrobenzene (CAS 1243359-41-2)
- 3-Epicabraleadiol (CAS 19942-04-2)
- Ethyl 3,5-dichloro-4-(difluoromethoxy)phenylacetate (CAS 1806352-49-7)
- 2,7-Dichloro-8-methoxyquinoxaline (CAS 347162-22-5)
- Hexylmagnesium Bromide (20% in Tetrahydrofuran, ca. 1mol/L) (CAS 3761-92-0)
- 1-(4-Iodophenyl)propan-1-one (CAS 31970-26-0)
- 2-(4-Fluorophenyl)-1,3-dithiane (CAS 57009-75-3)
- 2-(Thiophen-3-yl)-1,3,2-dioxaborolane (CAS 718640-75-6)
- (10-31)Semaglutide (CAS CATO-C4X-2226283)
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