(2,3-Difluoro-4-propoxyphenyl)boronic acid CAS 212837-49-5
| CAS No. | 212837-49-5 |
| Molecular Formula | C9H11BF2O3 |
| Molecular Weight | 215.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2,3-Difluoro-4-propoxyphenyl)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.
(2,3-Difluoro-4-propoxyphenyl)boronic acid (CAS 212837-49-5), molecular formula C9H11BF2O3 and molecular weight 215.99 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2,3-Difluoro-4-propoxyphenyl)boronic acid (C9H11BF2O3) 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 215.99 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.
CATO manufactures (2,3-Difluoro-4-propoxyphenyl)boronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11BF2O3 |
| Molecular Weight | 215.99 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.) | 2017 |
| Halogen Content | F-containing |
Related Difluoro Standards
- (4,5-Difluoro-2-isopropoxyphenyl)boronic acid (CAS 1072951-61-1)
- (2,3-Difluoro-4-isopropoxyphenyl)boronic acid (CAS 1154762-01-2)
- 3,4-Difluoro-2-isopropoxyphenylboronic acid (CAS 1451390-92-3)
- (3,5-Difluoro-4-isopropoxyphenyl)boronic acid (CAS 1451390-93-4)
- (2,4-Difluoro-3-isopropoxyphenyl)boronic acid (CAS 1451390-95-6)
- (2,3-Difluoro-5-isopropoxyphenyl)boronic acid (CAS 1960405-52-0)
- (2,6-Difluoro-3-isopropoxyphenyl)boronic acid (CAS 849062-04-0)
- (2,6-Difluoro-3-propoxyphenyl)boronic acid (CAS 849062-14-2)
Recommended Standards
- 4,6-Dichloro-2-(difluoromethyl)-3-fluoropyridine (CAS 1806820-23-4)
- 4,5-Dichloro-3-(difluoromethyl)-2-fluoropyridine (CAS 1806802-67-4)
- (2,6-Difluoro-4-isopropoxyphenyl)boronic acid (CAS 2096337-66-3)
- 2,4-Dichloro-5-(difluoromethyl)-3-fluoropyridine (CAS 1806802-56-1)
- [3-(dimethylamino)-1,2,4-oxadiazol-5-yl]methanol (CAS 1602419-10-2)
- 6-Chloro-1,2-dimethylquinolin-4(1H)-one (CAS 41151-90-0)
- 1-Bromo-2-(2-bromo-1-isobutoxyethyl)benzene (CAS 1248612-57-8)
- 4-Bromo-2-methylpyridine 1-oxide (CAS 100367-74-6)
- 2-Bromo-N-phenylbenzamide (CAS 10282-57-2)
- 6-(((1H-benzo[d]imidazol-2-yl)methyl)thio)-4-(trifluoromethyl)-[2,4'-bipyridine]-5-carbonitrile (CAS 723747-99-7)
- 1-(4-Amino-2-fluorophenyl)piperidin-2-ol (CAS 1823914-55-1)
- Ethyl 2-(3-Chloro-4-fluorophenyl)acetate (CAS 340825-20-9)
- 1-tert-Butyl 7-methyl 2-chloro-1H-indole-1,7-dicarboxylate (CAS 1881328-28-4)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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