2-Fluoro-5-iodopyridine
2-Fluoro-5-iodopyridine (CAS: 171197-80-1; C5H3FIN) is a fluorinated heterocyclic building block with a molecular weight of 222.99 g/mol. Supplied by Tech Serve Solutions with an assay of 97%, this compound serves as a valuable intermediate in organic synthesis. It is particularly useful in the development of novel chemical entities within pharmaceutical and agrochemical research, owing to its pyridine core and reactive fluoro and iodo substituents.

Organic Synthesis Intermediate
2-Fluoro-5-iodopyridine is a versatile building block employed in the construction of complex organic molecules. Its distinct halogenation pattern allows for selective functionalization through various cross-coupling reactions.
Pharmaceutical Research
This compound is utilised in medicinal chemistry programmes for the synthesis of potential drug candidates. The incorporation of fluorine and iodine atoms can modulate pharmacokinetic properties and binding affinities.
Agrochemical Development
As a heterocyclic building block, 2-Fluoro-5-iodopyridine finds application in the design and synthesis of new agrochemicals, including pesticides and herbicides, where its structural features can impart desired biological activity.
| Molecular weight | 222.99 |
|---|---|
| Empirical formula | C5H3FIN |
| Assay | 97% |
| Melting point | 33-37 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- 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, Faceshields, Gloves |
|---|---|
| Flash point | 95 °C / 203 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| Safety statements (S) | 26-36/37 |
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 2-Fluoro-5-iodopyridine used for?
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2-Fluoro-5-iodopyridine is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical and agrochemical research for the development of novel chemical entities.
What are the CAS number and formula for 2-Fluoro-5-iodopyridine?
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The CAS number for 2-Fluoro-5-iodopyridine is 171197-80-1, and its empirical formula is C5H3FIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluoro-5-iodopyridine with a minimum assay of 97%. This product is intended for research and chemical synthesis purposes; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should 2-Fluoro-5-iodopyridine be handled?
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2-Fluoro-5-iodopyridine is classified as harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H317-H319-H335). When handling, it is recommended to wear a dust mask type N95 (US), eyeshields, faceshields, and gloves. Ensure adequate ventilation and avoid breathing dust/fumes.
Is 2-Fluoro-5-iodopyridine a controlled substance?
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The provided data does not indicate that 2-Fluoro-5-iodopyridine is a controlled substance.
How is 2-Fluoro-5-iodopyridine packed and shipped?
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Tech Serve Solutions packs and exports 2-Fluoro-5-iodopyridine according to industry standards to ensure safe transport. Specific packaging details are available upon request.
How can I request a quote or sample of 2-Fluoro-5-iodopyridine?
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To request a quote or sample of 2-Fluoro-5-iodopyridine, please contact the Tech Serve Solutions sales team through our website or by phone.
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