4-Isopropoxy-2,3,5,6-tetrafluorophenylboronic acid
4-Isopropoxy-2,3,5,6-tetrafluorophenylboronic acid (CAS: 871126-28-2; Formula: C9H9BF4O3; MW: 251.97) is a fluorinated aryl boronic acid derivative. It serves as a versatile building block in organic synthesis, particularly in cross-coupling reactions. Its unique structure, featuring a tetrafluorinated phenyl ring and an isopropoxy substituent, makes it valuable for introducing specific functionalities in the development of advanced materials and pharmaceutical intermediates. This compound is essential for researchers requiring precise molecular architecture.
- Synonyms
- 4-(Isopropoxy)-2,3,5,6-tetrafluorophenylboronic acid2,3,5,6-Tetrafluoro-4-isopropoxyphenylboronic acid

Suzuki-Miyaura Coupling Reagent
Utilised as a key coupling partner in Suzuki-Miyaura reactions for the formation of carbon-carbon bonds. This enables the synthesis of complex organic molecules with tailored properties.
Intermediate in Pharmaceutical Synthesis
Serves as a crucial intermediate in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its fluorinated motif can influence drug metabolism and efficacy.
Building Block for Organic Electronics
Incorporated into the synthesis of organic semiconductors and optoelectronic materials. The electron-withdrawing tetrafluorophenyl group can modulate electronic properties.
Research and Development
Employed in academic and industrial research laboratories for exploring novel synthetic methodologies and creating new chemical entities.
| Molecular weight | 251.97 |
|---|---|
| Empirical formula | C9H9BF4O3 |
| Melting point | 138-142 °C |
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 4-Isopropoxy-2,3,5,6-tetrafluorophenylboronic acid used for?
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This compound is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for the creation of carbon-carbon bonds, and as an intermediate in the synthesis of pharmaceuticals and advanced materials.
What is the CAS number and formula for 4-Isopropoxy-2,3,5,6-tetrafluorophenylboronic acid?
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The CAS number is 871126-28-2 and the empirical formula is C9H9BF4O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research purposes. The specific assay and purity are detailed in the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as hazardous. It can cause skin irritation and serious eye irritation. Appropriate personal protective equipment, including gloves, eye protection, and protective clothing, should be worn. Handle in a well-ventilated area or fume hood. Refer to the Safety Data Sheet (SDS) for comprehensive handling and emergency information. Water hazard class 3 (WGK 3) in Germany indicates it is hazardous to water.
How is 4-Isopropoxy-2,3,5,6-tetrafluorophenylboronic acid packed and shipped?
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Products are carefully packed according to international shipping regulations and are exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales department via the website or direct email, providing your details and the product CAS number.
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