4-Benzyloxy-3-chlorophenylboronic acid
4-Benzyloxy-3-chlorophenylboronic acid (CAS: 845551-44-2) is an organoboron compound with the molecular formula C6H5CH2OC6H3(Cl)B(OH)2 and a molecular weight of 262.50 g/mol. This disubstituted aryl boronic acid is primarily utilised as a building block in organic synthesis, particularly in cross-coupling reactions for the construction of complex molecules. Its unique structure makes it valuable in the development of novel pharmaceutical intermediates and advanced materials.

Organic Synthesis Building Block
Serves as a versatile intermediate in the synthesis of complex organic molecules. It is frequently employed in Suzuki-Miyaura cross-coupling reactions due to the reactive boronic acid moiety.
Pharmaceutical Intermediate Development
Utilised in the research and development of new pharmaceutical agents. Its specific substitution pattern can be crucial for introducing desired structural features into drug candidates.
Materials Science Research
Applicable in the creation of novel organic materials. The compound's structure may lend itself to applications in areas such as organic electronics or advanced polymers.
| Molecular weight | 262.50 |
|---|---|
| Linear formula | C6H5CH2OC6H3(Cl)B(OH)2 |
| Melting point | 188-193 °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
| Hazard codes (EU) | Xi |
|---|---|
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 4-Benzyloxy-3-chlorophenylboronic acid used for?
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4-Benzyloxy-3-chlorophenylboronic acid is primarily used as a building block in organic synthesis, particularly in cross-coupling reactions, and as an intermediate in the development of pharmaceuticals and advanced materials.
What are the CAS number and chemical formula for this compound?
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The CAS number is 845551-44-2, and the linear chemical formula is C6H5CH2OC6H3(Cl)B(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and laboratory use. The specific assay and grade are detailed in the product specifications. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 4-Benzyloxy-3-chlorophenylboronic acid?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.
How is 4-Benzyloxy-3-chlorophenylboronic acid packed and shipped?
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This chemical is carefully packed according to industry standards to ensure safe transport. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations for international delivery.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales department through the website or by phone, providing the product name and CAS number.
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