2,4-Difluoro-5-propoxyphenylboronic acid CAS 2096331-67-6
| CAS No. | 2096331-67-6 |
| Molecular Formula | C9H11BF2O3 |
| Molecular Weight | 215.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H11BF2O3, 2,4-Difluoro-5-propoxyphenylboronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2,4-Difluoro-5-propoxyphenylboronic acid (CAS 2096331-67-6), molecular formula C9H11BF2O3 and molecular weight 215.99 g/mol, is a CATO reference standard with documented purity and traceability.
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 2,4-Difluoro-5-propoxyphenylboronic 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.) | 1997 |
| 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)
- (2,3-Difluoro-4-propoxyphenyl)boronic acid (CAS 212837-49-5)
- (2,6-Difluoro-3-isopropoxyphenyl)boronic acid (CAS 849062-04-0)
Recommended Standards
- 2,4-Difluoro-5-isopropoxyphenylboronic acid (CAS 2096333-88-7)
- 2,5-Dichloro-3-(trifluoromethyl)pyridine (CAS 70158-59-7)
- 2,4-Difluoro-3-propoxyphenylboronic acid (CAS 2096329-68-7)
- 2,5-Dichloro-4-(trifluoromethyl)pyridine (CAS 89719-92-6)
- 2-(Difluoromethyl)-4-hydroxy-3-iodopyridine-5-methanol (CAS 1805451-96-0)
- 4-Aminopiperidin-2-one trifluoroacetate (CAS 1523618-06-5)
- (3R,6R)-6-(Hydroxymethyl)piperidine-3-carboxylic acid (CAS 1932011-02-3)
- 5-Amino-4-cyano-1H-pyrazole-1-carbothioamide (CAS 198715-79-6)
- 1-((O-tolylamino)methyl)cyclopentan-1-ol (CAS 1466778-63-1)
- [2-Bromo-3-(propan-2-yloxy)phenyl]methanamine (CAS 1936662-46-2)
- 2-((Tert-butoxycarbonyl)amino)-2-(3-hydroxyphenyl)acetic acid (CAS 39274-53-8)
- Cefoxitin Impurity 39 (CAS CATO-C4X-157839)
- Fmoc-Alg(Me,Pbf)-OH (CAS 2044702-31-8)
- Peptide Impurity (CAS CATO-CPTD788810)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com