3-Fluoro-4-methoxycarbonylphenylboronic acid
3-Fluoro-4-methoxycarbonylphenylboronic acid (CAS: 505083-04-5), with the molecular formula C8H8BFO4 and a molecular weight of 197.96 g/mol, is a valuable aryl boronic acid derivative. It serves as a key building block in organic synthesis, particularly in cross-coupling reactions. This compound is instrumental in the construction of complex organic molecules utilized in pharmaceutical research and material science, offering a reliable route for introducing specific structural motifs.

Suzuki-Miyaura Cross-Coupling Reactions
This boronic acid is a frequently used coupling partner in Suzuki-Miyaura reactions. It enables the formation of new carbon-carbon bonds with aryl or vinyl halides, facilitating the synthesis of biaryl compounds and other complex organic structures.
Pharmaceutical Intermediate Synthesis
It acts as a crucial intermediate in the synthesis of various active pharmaceutical ingredients (APIs). Its structure allows for the precise introduction of fluorinated and ester-functionalized phenyl rings into drug candidates.
Material Science Research
The compound finds application in the development of novel organic materials. Its incorporation can modify electronic and optical properties, making it relevant for applications in organic electronics and polymer science.
Organic Synthesis Reagent
As a versatile organometallic reagent, it is employed in diverse synthetic strategies. It enables chemists to construct intricate molecular architectures for academic and industrial research.
| Molecular weight | 197.96 |
|---|---|
| Empirical formula | C8H8BFO4 |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| 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 3-Fluoro-4-methoxycarbonylphenylboronic acid primarily used for?
+
3-Fluoro-4-methoxycarbonylphenylboronic acid is primarily used as a building block in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and as an intermediate in the synthesis of pharmaceuticals and advanced materials.
What are the CAS number and molecular formula for this compound?
+
The CAS number for 3-Fluoro-4-methoxycarbonylphenylboronic acid is 505083-04-5, and its molecular formula is C8H8BFO4.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound for research and development purposes. The specific grade and purity are detailed in the product specifications. We do not represent this product as USP, BP, or EP grade.
How should 3-Fluoro-4-methoxycarbonylphenylboronic acid be handled safely?
+
Handle with care. This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Ensure adequate ventilation, wear appropriate personal protective equipment including gloves and eye protection, and avoid breathing dust. In case of contact, follow the precautionary statements (P261, P305 + P351 + P338).
Is this chemical a controlled substance?
+
Based on the provided data, there is no indication that 3-Fluoro-4-methoxycarbonylphenylboronic acid is a controlled substance.
How is this chemical typically packed and exported?
+
Tech Serve Solutions securely packs chemicals according to international shipping regulations. We are experienced global exporters, ensuring reliable delivery of products worldwide.
How can I request a quote or sample?
+
To request a quote or a sample, please contact our sales team through the website or by calling our office. Provide the product name and CAS number for prompt service.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis