4-Fluorobenzoylacetonitrile
4-Fluorobenzoylacetonitrile (CAS: 4640-67-9), with the molecular formula C9H6FNO and a molecular weight of 163.15 g/mol, is a fluorinated organic building block. It serves as a valuable intermediate in organic synthesis, particularly in the preparation of more complex molecules. This compound is utilised in the chemical and pharmaceutical industries for research and development purposes, contributing to the synthesis of novel compounds with potential applications.
- IUPAC
- 3-Oxo-3-(4-fluorophenyl)propionitrile,4-Fluoro-γ-oxobenzenepropanenitrile,4-Fluorophenacyl cyanide

Organic Synthesis Intermediate
This compound is a key building block for constructing diverse organic molecules. Its reactive functional groups allow for various chemical transformations in multi-step synthesis pathways.
Pharmaceutical Research
Utilised in the research and development of new pharmaceutical agents. Its fluorinated phenyl group can influence the pharmacokinetic and pharmacodynamic properties of target drug candidates.
Agrochemical Development
Serves as a precursor in the synthesis of potential agrochemical compounds. The incorporation of fluorine can enhance biological activity and stability in pesticides or herbicides.
Material Science
May be employed in the synthesis of specialised organic materials where the fluorinated aromatic moiety imparts unique electronic or physical properties.
| Molecular weight | 163.15 |
|---|---|
| Empirical formula | C9H6FNO |
| Assay | 97% |
| Melting point | 84-88 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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-Fluorobenzoylacetonitrile used for?
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4-Fluorobenzoylacetonitrile (CAS: 4640-67-9) is primarily used as an intermediate in organic synthesis for the preparation of complex organic molecules, including pharmaceuticals and agrochemicals.
What is the CAS number and formula for 4-Fluorobenzoylacetonitrile?
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The CAS number is 4640-67-9 and the molecular formula is C9H6FNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluorobenzoylacetonitrile with a purity of 97%. This compound is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 4-Fluorobenzoylacetonitrile be handled safely?
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4-Fluorobenzoylacetonitrile is classified as a Warning substance. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H319-H335). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is 4-Fluorobenzoylacetonitrile packed and exported?
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4-Fluorobenzoylacetonitrile is available in various packaging sizes suitable for laboratory and industrial use. Tech Serve Solutions is a global supplier and exporter, adhering to all necessary regulations for international shipments.
How can I request a sample or quote for 4-Fluorobenzoylacetonitrile?
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To request a sample or a quote for 4-Fluorobenzoylacetonitrile, please contact our sales department through the website or by phone, providing your specific requirements.
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