3-Fluoro-4-iodobenzonitrile
3-Fluoro-4-iodobenzonitrile (CAS: 887266-99-1, C7H3FIN) is a fluorinated organic building block. With a molecular weight of 247.01 g/mol and an assay of 97%, this compound serves as a key intermediate in complex organic synthesis. Its structure, featuring both fluorine and iodine substituents alongside a nitrile group, makes it valuable for introducing specific functionalities in the development of novel pharmaceuticals, agrochemicals, and advanced materials. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- 4-Cyano-2-fluoroiodobenzene
- Synonyms
- 4-Cyano-2-fluoroiodobenzene

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) where precise molecular architectures are required. The fluoro and iodo groups offer distinct reactivity for cross-coupling and nucleophilic substitution reactions.
Agrochemical Development
Serves as a building block for creating new crop protection agents. Its unique substitution pattern can contribute to the efficacy and selectivity of novel herbicides, insecticides, and fungicides.
Materials Science
Incorporated into the synthesis of specialized polymers and organic electronic materials. The presence of halogens and the nitrile group can influence material properties such as thermal stability and electronic behaviour.
Organic Synthesis Reagent
A versatile intermediate for constructing complex organic molecules in academic and industrial research laboratories. Its utility lies in its ability to undergo various transformations at specific positions on the aromatic ring.
| Molecular weight | 247.01 |
|---|---|
| Empirical formula | C7H3FIN |
| Assay | 97% |
| Melting point | 113-117 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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-iodobenzonitrile used for?
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3-Fluoro-4-iodobenzonitrile is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and molecular formula for 3-Fluoro-4-iodobenzonitrile?
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The CAS number is 887266-99-1 and the molecular formula is C7H3FIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluoro-4-iodobenzonitrile with a purity of at least 97%. This product is intended for research and development use and is not supplied as USP, BP, or EP grade.
What are the main hazards associated with handling 3-Fluoro-4-iodobenzonitrile?
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3-Fluoro-4-iodobenzonitrile is classified as dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent), must be worn. Handle only in a well-ventilated area.
How is 3-Fluoro-4-iodobenzonitrile packed and shipped?
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3-Fluoro-4-iodobenzonitrile is carefully packed and exported by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for 3-Fluoro-4-iodobenzonitrile?
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To request a sample or a quotation for 3-Fluoro-4-iodobenzonitrile, please contact the Tech Serve Solutions sales team through our website or by phone.
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