5-Ethoxy-2-fluorophenylboronic acid
5-Ethoxy-2-fluorophenylboronic acid (CAS: 900174-60-9, C8H10BFO3) is an organoboron compound with a molecular weight of 183.97 g/mol. This substituted aryl boronic acid is primarily utilised as a building block in organic synthesis, particularly in cross-coupling reactions. Its specific structural features make it a valuable intermediate for creating complex molecules in pharmaceutical research and materials science.

Organic Synthesis Intermediate
Serves as a key reagent in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds. It is instrumental in constructing substituted aromatic systems crucial for drug discovery and development.
Pharmaceutical Research
Enables the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs) by introducing specific fluorinated ethoxyphenyl moieties into molecular structures.
Materials Science
Used in the development of advanced materials, such as organic light-emitting diodes (OLEDs) and polymers, where tailored electronic and optical properties are required.
| Molecular weight | 183.97 |
|---|---|
| Empirical formula | C8H10BFO3 |
| Melting point | 92-97 °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 5-Ethoxy-2-fluorophenylboronic acid used for?
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5-Ethoxy-2-fluorophenylboronic acid is primarily used as an intermediate in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in pharmaceutical research and materials science.
What is the CAS number and chemical formula?
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The CAS number is 900174-60-9 and the chemical formula is C8H10BFO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Ethoxy-2-fluorophenylboronic acid typically as a research or technical grade chemical. We do not represent this product as USP/BP/EP or for direct human consumption. Please refer to the product's Certificate of Analysis for specific purity information.
How should 5-Ethoxy-2-fluorophenylboronic acid be handled safely?
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Handle 5-Ethoxy-2-fluorophenylboronic acid with appropriate personal protective equipment, including eyeshields and gloves. Use a type N95 (US) or type P1 (EN143) respirator filter. Refer to the Safety Data Sheet (SDS) for comprehensive safety and handling instructions.
Is this chemical a controlled substance?
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The provided data does not indicate that 5-Ethoxy-2-fluorophenylboronic acid is a controlled substance. However, users should always verify compliance with local regulations.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions carefully packs and ships chemicals in compliance with international transport regulations. We have extensive experience exporting fine chemicals globally.
How can I request a sample or quote?
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To request a sample or a quote for 5-Ethoxy-2-fluorophenylboronic acid, please use the contact form on our website or call our sales department directly.
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