5-Chloro-2-formylphenylboronic acid
5-Chloro-2-formylphenylboronic acid (CAS 870238-36-1), with the molecular formula C7H6BClO3 and a molecular weight of 184.38 g/mol, is a disubstituted aryl boronic acid. It is a valuable building block in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling. Its structure, featuring both a boronic acid moiety and a formyl group, allows for diverse functionalisation in the development of complex molecules.

Suzuki-Miyaura Coupling
This compound serves as a key reagent in Suzuki-Miyaura cross-coupling reactions. It readily couples with aryl or vinyl halides and triflates to form new carbon-carbon bonds, facilitating the synthesis of complex biaryl structures.
Organic Synthesis Intermediate
As a versatile intermediate, 5-Chloro-2-formylphenylboronic acid is employed in multi-step syntheses. The presence of the aldehyde and boronic acid groups allows for sequential or differential functionalization in the construction of novel organic compounds.
Pharmaceutical Research
It is utilised in medicinal chemistry and pharmaceutical research for the synthesis of potential drug candidates. The introduction of its structural motif can impart specific biological activities or modulate pharmacokinetic properties.
Materials Science
The compound's reactivity makes it suitable for incorporating specific functionalities into advanced materials, such as organic light-emitting diodes (OLEDs) or polymers, through established coupling methodologies.
| Molecular weight | 184.38 |
|---|---|
| Empirical formula | C7H6BClO3 |
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-Chloro-2-formylphenylboronic acid used for?
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5-Chloro-2-formylphenylboronic acid is primarily used as a building block in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in pharmaceutical research and materials science for constructing complex molecules.
What are the CAS number and molecular formula for this compound?
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The CAS number for 5-Chloro-2-formylphenylboronic acid is 870238-36-1, and its molecular formula is C7H6BClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay or purity is available upon request. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling precautions for 5-Chloro-2-formylphenylboronic acid?
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Refer to the Safety Data Sheet (SDS) for comprehensive safety information. General precautions include avoiding contact with skin, eyes, and clothing, and working in a well-ventilated area. Consult the SDS for specific hazard statements and personal protective equipment recommendations.
Is 5-Chloro-2-formylphenylboronic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Chloro-2-formylphenylboronic acid, and can assist with international orders.
How can I request a sample or quote for 5-Chloro-2-formylphenylboronic acid?
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To request a sample or a quotation, please contact our sales team through the website or by phone, providing the product name and CAS number (870238-36-1).
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