3-Bromo-2-(3′-chlorobenzyloxy)-5-methylphenylboronic acid
3-Bromo-2-(3′-chlorobenzyloxy)-5-methylphenylboronic acid (CAS: 870778-83-9) is a complex organoboron compound with the molecular formula C14H13BBrClO3 and a molecular weight of 355.42 g/mol. This aryl boronic acid derivative is valuable in organic synthesis, particularly for cross-coupling reactions. It serves as a building block in the development of novel organic molecules and advanced materials within research and development settings.

Organic Synthesis
Utilised as a key intermediate in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds. Its specific structure allows for the introduction of functionalised aryl groups into target molecules.
Pharmaceutical Research
Serves as a valuable building block in the synthesis of potential drug candidates and complex pharmaceutical intermediates. Its reactivity enables the construction of diverse molecular scaffolds for medicinal chemistry exploration.
Materials Science
Can be employed in the development of novel organic materials where precise structural control is required. Applications may include the synthesis of advanced polymers or functional organic compounds.
| Molecular weight | 355.42 |
|---|---|
| Empirical formula | C14H13BBrClO3 |
| Melting point | 118-123 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Bromo-2-(3′-chlorobenzyloxy)-5-methylphenylboronic acid used for?
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This compound 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 molecular formula for this chemical?
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The CAS number is 870778-83-9, and the empirical formula is C14H13BBrClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research and chemical synthesis purposes. The specific grade and purity (assay) are detailed in the product specifications. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with handling this compound?
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This compound is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, in a well-ventilated area.
Is this chemical available for export?
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Yes, Tech Serve Solutions specialises in supplying and exporting fine chemicals globally to research institutions and industrial partners.
How can I request a quote or sample?
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To request a quote or a sample, please use the 'Request Quote' or 'Request Sample' buttons available on our product page, or contact our sales team directly with your requirements.
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