3-Fluoro-4-isopropoxyphenylboronic acid
3-Fluoro-4-isopropoxyphenylboronic acid (CAS: 480438-54-8, C9H12BFO3) is a valuable organic compound with a molecular weight of 198.00. As a substituted aryl boronic acid, it serves as a key building block in organic synthesis. Its applications are primarily focused on the preparation of complex molecules, including pharmaceutical intermediates via reactions like Suzuki and Stille couplings, and the synthesis of novel therapeutic agents.
- IUPAC
- 3-Fluoro-4-isopropoxybenzeneboronic acid,[3-Fluoro-4-(1-methylethoxy)phenyl]boronic acid
- Synonyms
- 3-Fluoro-4-isopropoxybenzeneboronic acid[3-Fluoro-4-(1-methylethoxy)phenyl]boronic acid

Synthesis of Glucocorticoid Receptor Modulators
3-Fluoro-4-isopropoxyphenylboronic acid is utilised as a reactant in the synthesis of azaxanthene-based selective glucocorticoid receptor modulators, contributing to the development of new therapeutic compounds.
Cross-Coupling Reactions for Drug Discovery
This boronic acid is employed in Suzuki and Stille coupling reactions for the synthesis of various complex organic molecules, including those with potential as oral venous antithrombotic drugs.
Building Block in Pharmaceutical Synthesis
As a versatile aryl boronic acid derivative, it functions as a crucial intermediate in the multi-step synthesis pathways for developing new pharmaceutical agents and fine chemicals.
| Molecular weight | 198.00 |
|---|---|
| Empirical formula | C9H12BFO3 |
| Application | Reactant involved in:• Synthesis of azaxanthene based selective glucocorticoid receptor modulators1• Suzuki and Stille coupling for synthesis of oral venous antithrombotic drugs2 |
| Melting point | 112-117 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3-Fluoro-4-isopropoxyphenylboronic acid used for?
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It is used as a reactant in organic synthesis, notably in the preparation of azaxanthene-based selective glucocorticoid receptor modulators and in Suzuki and Stille coupling reactions for the synthesis of oral venous antithrombotic drugs.
What are the CAS number and formula for this compound?
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The CAS number is 480438-54-8 and the empirical formula (Hill notation) is C9H12BFO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound as a research or technical grade chemical. We do not represent it as USP, BP, EP, or for use in nutraceutical or food applications. Purity information is available upon request.
What are the safety and handling recommendations?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound is classified with WGK 2 in Germany, indicating it is hazardous to water.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions expertly packs and exports fine chemicals globally, adhering to all relevant shipping regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 3-Fluoro-4-isopropoxyphenylboronic acid?
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To request a sample or a quotation, please contact our sales team via the website or directly by phone. We are pleased to assist with your research and synthesis needs.
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