4-Bromopyridine-3-carbonitrile
4-Bromopyridine-3-carbonitrile (CAS: 154237-70-4, Formula: C6H3BrN2) is a valuable heterocyclic building block. With a molecular weight of 183.01 g/mol, this compound features both a bromine atom and a nitrile group on a pyridine ring, making it a versatile intermediate in organic synthesis. It is primarily utilised in research and development for the creation of novel chemical entities and complex molecules, particularly within the pharmaceutical and agrochemical sectors.
- IUPAC
- 4-Bromo-3-cyanopyridine,4-Bromonicotinonitrile
- Synonyms
- 4-Bromo-3-cyanopyridine4-Bromonicotinonitrile

Pharmaceutical Intermediate
Utilised as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery programmes. Its functional groups allow for diverse chemical transformations.
Agrochemical Synthesis
Serves as an intermediate in the development of new pesticides, herbicides, and fungicides. The pyridine core is a common feature in many agrochemical compounds.
Materials Science
Can be incorporated into the synthesis of specialised polymers or organic electronic materials due to its heterocyclic structure and reactive sites.
Research and Development
A versatile reagent employed in academic and industrial research for exploring new synthetic pathways and creating novel chemical structures.
| Molecular weight | 183.01 |
|---|---|
| Empirical formula | C6H3BrN2 |
| Assay | 95% |
| Storage temperature | 2-8°C |
| Melting point | 118-123 °C |


Hazard statements
- H301Toxic 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
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-37/38-41 |
| Safety statements (S) | 26-39-45 |
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 4-Bromopyridine-3-carbonitrile used for?
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4-Bromopyridine-3-carbonitrile is primarily used as a versatile building block and intermediate in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and in materials science research.
What are the CAS number and formula for 4-Bromopyridine-3-carbonitrile?
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The CAS number is 154237-70-4 and the empirical formula is C6H3BrN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromopyridine-3-carbonitrile with an assay of 95%. This product is suitable for research and general chemical synthesis and is not represented as USP, BP, or EP grade.
How should 4-Bromopyridine-3-carbonitrile be handled?
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4-Bromopyridine-3-carbonitrile is classified as Danger. It is harmful if swallowed, causes skin irritation, causes serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the safety data sheet for full details.
How is 4-Bromopyridine-3-carbonitrile shipped?
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This chemical is shipped according to UN 2811, Hazard Class 6.1, Packing Group III regulations. It is exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 4-Bromopyridine-3-carbonitrile, please contact the Tech Serve Solutions sales team through our website or by phone.
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