3,5-Dibromopyridine-4-carboxylic acid
3,5-Dibromopyridine-4-carboxylic acid (CAS: 13958-91-3) is a halogenated heterocyclic building block with the molecular formula C6H3Br2NO2 and a molecular weight of 280.90 g/mol. This pyridine derivative is primarily utilised in organic synthesis as a versatile intermediate for the construction of more complex molecules. Its bromine substituents and carboxylic acid functionality offer reactive sites for various chemical transformations, making it valuable in research and development settings for creating novel compounds.
- IUPAC
- 3,5-Dibromoisonicotinic acid
- Synonyms
- 3,5-Dibromopyridine-4-carboxylic acid3,5-Dibromoisonicotinic acid

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds, particularly within medicinal chemistry and materials science due to its functionalised pyridine core.
Pharmaceutical Research
Employed in the development of new pharmaceutical agents, where the pyridine scaffold is a common feature in biologically active molecules.
Agrochemical Development
Utilised in the research and synthesis of novel agrochemicals, leveraging its unique structural properties for potential pesticidal or herbicidal activities.
Materials Science
Can be incorporated into the design of functional materials, where halogenated heterocycles may impart specific electronic or physical properties.
| Molecular weight | 280.90 |
|---|---|
| Empirical formula | C6H3Br2NO2 |
| Assay | 95% |
| Melting point | 218-223 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| 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 3,5-Dibromopyridine-4-carboxylic acid used for?
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3,5-Dibromopyridine-4-carboxylic acid is primarily used as a building block in organic synthesis for the creation of more complex molecules, including intermediates for pharmaceutical, agrochemical, and materials science research.
What is the CAS number and formula for 3,5-Dibromopyridine-4-carboxylic acid?
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The CAS number is 13958-91-3, and the molecular formula is C6H3Br2NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dibromopyridine-4-carboxylic acid with an assay of 95%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the main hazards associated with 3,5-Dibromopyridine-4-carboxylic acid?
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This compound is classified with a Danger signal word and carries hazard statements including H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (May cause respiratory irritation).
How is 3,5-Dibromopyridine-4-carboxylic acid handled and shipped?
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Handling requires appropriate personal protective equipment to avoid skin, eye, and respiratory irritation. As a specialist supplier, TSS exports fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3,5-Dibromopyridine-4-carboxylic acid?
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To request a sample or a quotation, please contact our sales team through the website or via the provided contact details, specifying the product name and CAS number.
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