2,6-Difluoro-4-formylphenylboronic acid pinacol ester
2,6-Difluoro-4-formylphenylboronic acid pinacol ester (CAS: 870717-92-3; C13H15BF2O3) is a versatile organoboron compound characterised by its fluorinated aromatic ring and pinacol boronate ester moiety. Its structure makes it a valuable building block in organic synthesis, particularly for cross-coupling reactions. This compound serves as a key intermediate in the development of complex molecules for research and development, including pharmaceuticals and materials science. Supplied by Tech Serve Solutions with an assay of 97%.
- IUPAC
- 3,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde
- Synonyms
- 3,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of complex organic molecules. The pinacol boronate ester functionality enables participation in various cross-coupling reactions, such as Suzuki-Miyaura coupling.
Pharmaceutical Research
Serves as a precursor or intermediate in the discovery and development of novel pharmaceutical agents. Its fluorinated aromatic structure can influence the pharmacokinetic properties of target drug candidates.
Materials Science
Applicable in the synthesis of advanced materials. The introduction of fluorinated aromatic units can impact the electronic and physical properties of polymers or organic electronic materials.
| Molecular weight | 268.06 |
|---|---|
| Empirical formula | C13H15BF2O3 |
| Assay | 97% |
| Melting point | 135-139 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,6-Difluoro-4-formylphenylboronic acid pinacol ester used for?
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2,6-Difluoro-4-formylphenylboronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly in cross-coupling reactions for pharmaceutical research and materials science.
What are the CAS number and formula for this compound?
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The CAS number is 870717-92-3, and the molecular formula is C13H15BF2O3. The molecular weight is 268.06 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. This is a research grade chemical and is not intended for pharmaceutical, food, or any other regulated application unless explicitly stated otherwise.
How should 2,6-Difluoro-4-formylphenylboronic acid pinacol ester be handled?
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This compound is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95, wear eyeshields and gloves. Ensure adequate ventilation and avoid breathing dust. Store in a cool, dry place.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,6-Difluoro-4-formylphenylboronic acid pinacol ester.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (870717-92-3).
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