3-(2-Fluorophenyl)propionic acid
3-(2-Fluorophenyl)propionic acid (CAS: 1643-26-1, Formula: FC6H4CH2CH2CO2H) is a fluorinated organic building block with a molecular weight of 168.16 g/mol. This carboxylic acid derivative is characterised by the presence of a fluorine atom on the phenyl ring, making it a valuable intermediate in organic synthesis. It serves as a key component in the development of novel chemical entities, particularly within the pharmaceutical and agrochemical sectors.
- IUPAC
- 2′-Fluorocinnamide

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) where the fluorophenyl moiety can impart specific pharmacokinetic properties. Its structure allows for diverse functional group transformations in drug discovery programmes.
Agrochemical Synthesis
Serves as a building block for the development of new pesticides and herbicides. The incorporation of fluorine can enhance biological activity and metabolic stability in agrochemical compounds.
Materials Science
Explored as a precursor in the synthesis of specialised polymers and functional materials. The unique electronic properties conferred by the fluorine atom can influence material characteristics.
Research and Development
A versatile reagent in academic and industrial research laboratories for the creation of novel fluorinated organic molecules and complex structures.
| Molecular weight | 168.16 |
|---|---|
| Linear formula | FC6H4CH2CH2CO2H |
| Assay | 97% |
| Melting point | 74-78 °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, Faceshields, 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 3-(2-Fluorophenyl)propionic acid used for?
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3-(2-Fluorophenyl)propionic acid is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and novel materials. It is a valuable building block for creating complex fluorinated organic molecules.
What is the CAS number and chemical formula for 3-(2-Fluorophenyl)propionic acid?
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The CAS number is 1643-26-1 and the chemical formula is FC6H4CH2CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(2-Fluorophenyl)propionic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety concerns when handling 3-(2-Fluorophenyl)propionic acid?
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This compound is classified with a Warning signal word and has hazard statements H302 (Harmful if swallowed), 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, faceshields, and gloves, should be worn. Ensure good ventilation and avoid breathing dust.
How is 3-(2-Fluorophenyl)propionic acid packed, shipped, and exported?
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3-(2-Fluorophenyl)propionic acid is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3-(2-Fluorophenyl)propionic acid?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or by phone, providing the product name and CAS number (1643-26-1).
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