4-(3′-Chlorobenzyloxy)-3,5-dimethylphenylboronic acid
4-(3′-Chlorobenzyloxy)-3,5-dimethylphenylboronic acid (CAS: 849062-21-1) is an organoboron compound with the molecular formula C15H16BClO3 and a molecular weight of 290.55 g/mol. As a trisubstituted aryl boronic acid derivative, it serves as a valuable building block in organic synthesis. Its structure lends itself to participation in cross-coupling reactions, facilitating the formation of complex organic molecules for research and development purposes.
- Synonyms
- C15H16BClO3

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its boronic acid functionality enables participation in various cross-coupling reactions, such as Suzuki-Miyaura coupling, to form new carbon-carbon bonds.
Pharmaceutical Research
A valuable reagent in medicinal chemistry for the development of novel therapeutic agents. It can be incorporated into synthetic pathways for drug discovery and lead optimisation.
Materials Science
Can be employed in the development of advanced materials where precise molecular architecture is required. Its unique structural features may contribute to specific material properties.
| Molecular weight | 290.55 |
|---|---|
| Empirical formula | C15H16BClO3 |

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 4-(3′-Chlorobenzyloxy)-3,5-dimethylphenylboronic acid used for?
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This compound is primarily used as a building block in organic synthesis, particularly in cross-coupling reactions for the creation of complex molecules in pharmaceutical research and materials science.
What is the CAS number and chemical formula for 4-(3′-Chlorobenzyloxy)-3,5-dimethylphenylboronic acid?
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The CAS number is 849062-21-1 and the empirical formula (Hill notation) is C15H16BClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. We do not represent it as USP, BP, EP, or pharmaceutical grade. Please refer to the product specifications for available purity information or contact us for details.
What are the safety and handling considerations for this chemical?
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This compound is classified with a Warning signal word and carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area and avoid dust formation.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions offers expert packing, shipping, and global export services for research chemicals. All shipments comply with international regulations. Contact our logistics team for specific requirements.
How can I request a sample or obtain a quote for 4-(3′-Chlorobenzyloxy)-3,5-dimethylphenylboronic acid?
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To request a sample or obtain a quote, please visit the product page on our website or contact our sales department directly with your inquiry.
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