5-Bromo-3-carboxyphenylboronic acid
5-Bromo-3-carboxyphenylboronic acid (CAS: 913835-73-1) is an organoboron compound with the molecular formula C7H6BBrO4 and a molecular weight of 244.84 g/mol. This disubstituted aryl boronic acid serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions. Its structure, featuring both a boronic acid moiety and a bromine atom, allows for diverse functionalization strategies in the development of complex molecules.
- IUPAC
- 3-Borono-5-bromobenzoic acid
- Synonyms
- 3-Borono-5-bromobenzoic acid

Organic Synthesis Intermediate
Utilised as a key intermediate in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds. It enables the introduction of a 3-carboxy-5-bromophenyl group into target molecules.
Pharmaceutical Research
A crucial reagent in the discovery and development of novel pharmaceutical compounds. Its structure can be incorporated into potential drug candidates to modulate biological activity.
Materials Science
Employed in the synthesis of functional organic materials, such as polymers and optoelectronic devices, where precise molecular architecture is required.
| Molecular weight | 244.84 |
|---|---|
| Empirical formula | C7H6BBrO4 |
| Assay | ≥95% |
| Melting point | 152-158 °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 5-Bromo-3-carboxyphenylboronic acid used for?
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5-Bromo-3-carboxyphenylboronic acid is primarily used as a building block in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling, and in pharmaceutical research and materials science.
What are the CAS number and formula for 5-Bromo-3-carboxyphenylboronic acid?
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The CAS number is 913835-73-1, and the empirical formula is C7H6BBrO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromo-3-carboxyphenylboronic acid with a purity of ≥95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this product?
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This compound is classified under GHS07 with a WGK rating of 3 in Germany, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area.
How is 5-Bromo-3-carboxyphenylboronic acid packed and exported?
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Products are carefully packed to ensure integrity during transit and are available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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Please contact our sales team directly through our website or by phone to request a quote or a sample of 5-Bromo-3-carboxyphenylboronic acid.
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