3-Bromo-5-fluoropyridine
3-Bromo-5-fluoropyridine (CAS: 407-20-5) is a fluorinated heterocyclic compound with the molecular formula C5H3BrFN and a molecular weight of 175.99 g/mol. This versatile building block is crucial in organic synthesis, particularly for creating complex molecules in pharmaceutical and agrochemical research. Its pyridine core, substituted with bromine and fluorine, allows for diverse chemical transformations, making it a valuable intermediate for novel compound development.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery programmes. Its unique structure facilitates the introduction of fluoropyridine moieties into potential therapeutic agents.
Agrochemical Development
Serves as a key building block for the development of new pesticides, herbicides, and fungicides. The incorporation of fluorine can enhance the efficacy and metabolic stability of agrochemical compounds.
Organic Synthesis Reagent
A versatile reagent in complex organic synthesis, enabling the construction of intricate molecular architectures. It is widely employed in academic and industrial research laboratories for various coupling and functionalisation reactions.
Material Science Research
Explored for potential applications in material science, contributing to the development of novel functional materials. Its electronic properties can be modulated through further chemical modifications.
| Molecular weight | 175.99 |
|---|---|
| Empirical formula | C5H3BrFN |
| Assay | 97% |
| Melting point | 24-28 °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 |
|---|---|
| Flash point | 64 °C / 147.2 °F |
| 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-Bromo-5-fluoropyridine used for?
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3-Bromo-5-fluoropyridine is primarily used as a building block in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals, and for creating novel functional materials.
What is the CAS number and formula for 3-Bromo-5-fluoropyridine?
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The CAS number for 3-Bromo-5-fluoropyridine is 407-20-5, and its molecular formula is C5H3BrFN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-5-fluoropyridine with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Bromo-5-fluoropyridine be handled safely?
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Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation, as the compound is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation.
How is 3-Bromo-5-fluoropyridine packed and exported?
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This chemical is carefully packed according to international shipping regulations and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 3-Bromo-5-fluoropyridine?
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To request a quote or a sample, please contact our sales team through the website or by phone, providing your specific requirements.
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