3-Fluoro-4-pyridinecarboxylic acid
3-Fluoro-4-pyridinecarboxylic acid (CAS: 393-53-3), with the molecular formula C6H4FNO2 and a molecular weight of 141.10 g/mol, is a valuable fluorinated heterocyclic building block. This compound is primarily utilised in chemical synthesis, serving as an intermediate in the development of novel organic molecules and active pharmaceutical ingredients. Its unique structure makes it a sought-after reagent for introducing fluoropyridine moieties into complex chemical architectures.
- IUPAC
- 3-Fluoroisonicotinic acid
- Synonyms
- 3-Fluoroisonicotinic acid

Pharmaceutical Intermediate
Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), enabling the introduction of fluoropyridine structures critical for drug discovery and development.
Agrochemical Synthesis
Utilised in the development of novel agrochemicals, where fluorinated heterocycles can impart desirable properties such as enhanced efficacy and metabolic stability.
Materials Science
Can be employed in the synthesis of advanced materials, contributing to the development of functional polymers and organic electronic components.
Organic Synthesis Reagent
A versatile reagent for organic chemists, facilitating the construction of complex molecular frameworks through its reactive carboxylic acid and fluoropyridine functionalities.
| Molecular weight | 141.10 |
|---|---|
| Empirical formula | C6H4FNO2 |
| Assay | 97% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-pyridinecarboxylic acid used for?
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3-Fluoro-4-pyridinecarboxylic acid is primarily used as a building block in chemical synthesis, particularly in the development of pharmaceutical intermediates and agrochemicals.
What are the CAS number and formula for 3-Fluoro-4-pyridinecarboxylic acid?
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The CAS number is 393-53-3, and the molecular formula is C6H4FNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluoro-4-pyridinecarboxylic acid with a purity of at least 97%. This product is suitable for research and chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
What are the safety considerations when handling 3-Fluoro-4-pyridinecarboxylic acid?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound is classified under WGK Germany 3, indicating a high hazard to water.
How is this chemical exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, adhering to all necessary regulations for international shipping.
How can I request a quote or sample of 3-Fluoro-4-pyridinecarboxylic acid?
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To request a quote or sample, please use the contact form on our website or reach out to our sales team directly with your inquiry.
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