5-Bromo-3-ethoxyphenylboronic acid
5-Bromo-3-ethoxyphenylboronic acid (CAS: 849062-02-8) is an organoboron compound with the molecular formula C8H10BBrO3 and a molecular weight of 244.88 g/mol. This disubstituted aryl boronic acid serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions. Its structure lends itself to applications in the development of complex molecules for research and development in pharmaceuticals and materials science.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its boronic acid functionality readily participates in Suzuki-Miyaura cross-coupling reactions, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Research and Development
A crucial reagent in the R&D of novel pharmaceutical compounds. It allows for the introduction of specific structural motifs into potential drug candidates during early-stage discovery.
Materials Science
Employed in the development of advanced materials. The compound can be incorporated into polymers or organic electronic materials through established synthetic methodologies.
| Molecular weight | 244.88 |
|---|---|
| Empirical formula | C8H10BBrO3 |
| 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-Bromo-3-ethoxyphenylboronic acid used for?
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5-Bromo-3-ethoxyphenylboronic acid is primarily used as an intermediate in organic synthesis, particularly in cross-coupling reactions like the Suzuki-Miyaura coupling, for the development of pharmaceuticals and materials.
What are the CAS number and molecular formula for 5-Bromo-3-ethoxyphenylboronic acid?
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The CAS number is 849062-02-8, and the molecular formula is C8H10BBrO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and grade depend on the product batch and are detailed in the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this compound?
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This compound requires appropriate personal protective equipment, including eyeshields and gloves. Respiratory protection with a type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK 2 in Germany.
How is 5-Bromo-3-ethoxyphenylboronic acid packed, shipped, and exported?
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Tech Serve Solutions packs chemicals securely for safe transport, adhering to international shipping regulations. We are experienced global suppliers and exporters.
How can I request a quote or sample for 5-Bromo-3-ethoxyphenylboronic acid?
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Please contact our sales team via the website or direct email to request a quote or arrange for a sample.
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