3-Bromo-5-propoxyphenylboronic acid
3-Bromo-5-propoxyphenylboronic acid (CAS: 871126-27-1) is an organoboron compound with the molecular formula C9H12BBrO3 and a molecular weight of 258.90 g/mol. This disubstituted aryl boronic acid is a valuable building block in organic synthesis, particularly for cross-coupling reactions. It serves as a key intermediate in the development of complex organic molecules for various research and industrial applications.

Organic Synthesis Intermediate
Utilised as a versatile building block in Suzuki-Miyaura cross-coupling reactions to form new carbon-carbon bonds. It enables the synthesis of complex aryl and heteroaryl structures.
Pharmaceutical Research
Serves as a precursor in the synthesis of novel drug candidates and biologically active compounds. Its structure allows for tailored modifications in medicinal chemistry programmes.
Materials Science
Can be incorporated into the design of advanced materials, such as organic light-emitting diodes (OLEDs) or conductive polymers, through functionalisation.
| Molecular weight | 258.90 |
|---|---|
| Empirical formula | C9H12BBrO3 |
| Melting point | 159-164 °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 3-Bromo-5-propoxyphenylboronic acid used for?
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3-Bromo-5-propoxyphenylboronic acid is primarily used as an intermediate in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling. It is valuable in pharmaceutical research and materials science for constructing complex organic molecules.
What is the CAS number and molecular formula for 3-Bromo-5-propoxyphenylboronic acid?
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The CAS number is 871126-27-1, and the molecular formula is C9H12BBrO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research and development purposes. The specific purity and grade are available on the product's Certificate of Analysis. TSS does not represent this chemical as USP, BP, EP, or pharmacopoeia grade.
How should 3-Bromo-5-propoxyphenylboronic acid be handled safely?
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This compound is classified as hazardous. Based on typical aryl boronic acid properties and a WGK rating of 3, it should be handled with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection if dust is generated. Avoid contact with skin, eyes, and clothing. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.
Is 3-Bromo-5-propoxyphenylboronic acid a controlled substance?
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The provided data does not indicate that 3-Bromo-5-propoxyphenylboronic acid is a controlled substance.
How is 3-Bromo-5-propoxyphenylboronic acid packed and shipped?
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Tech Serve Solutions packages and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packaging details are available upon request, adhering to international shipping regulations for chemical substances.
How can I request a sample or quote for 3-Bromo-5-propoxyphenylboronic acid?
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To request a sample or quote, please contact the Tech Serve Solutions sales department via our website or designated contact channels, providing your details and the required quantity.
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