3,5-Difluoro-4-formylphenylboronic Acid CAS 870718-11-9
| CAS No. | 870718-11-9 |
| Molecular Formula | C7H5BF2O3 |
| Molecular Weight | 185.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,5-Difluoro-4-formylphenylboronic 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.
3,5-Difluoro-4-formylphenylboronic Acid (CAS 870718-11-9), molecular formula C7H5BF2O3 and molecular weight 185.92 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,5-Difluoro-4-formylphenylboronic Acid (C7H5BF2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 185.92 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H5BF2O3 |
| Molecular Weight | 185.92 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- (2,5-Difluoro-4-formylphenyl)boronic acid (CAS 1228828-19-0)
- (2,4-Difluoro-5-formylphenyl)boronic acid (CAS 1413393-42-6)
- 4,5-Difluoro-2-formylphenylboronic acid (CAS 1432610-24-6)
- 3,4-Difluoro-2-formylphenylboronic acid (CAS 1451392-91-8)
- 3,4-Difluoro-5-formylphenylboronic acid (CAS 1451393-34-2)
- (2,3-Difluoro-4-formylphenyl)boronic acid (CAS 480424-84-8)
- (2,4-Difluoro-3-formylphenyl)boronic acid (CAS 870718-06-2)
- (2,5-Difluoro-3-formylphenyl)boronic acid (CAS 2377606-10-3)
Recommended Standards
- 2,3-Difluoro-5-formylphenylboronic acid (CAS 2377611-83-9)
- 14265-83-9 Tungsten, isotope of mass 186 Tungsten-186 186W (CAS 14265-83-9)
- (3-Cyano-2-hydroxyphenyl)trifluoroborate (CAS 2376462-72-3)
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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