5-Bromo-6-chloro-pyrazin-2-amine
5-Bromo-6-chloro-pyrazin-2-amine (CAS: 173253-42-4) is a heterocyclic organic compound with the molecular formula C4H3BrClN3 and a molecular weight of 208.44 g/mol. It serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its unique structure makes it a useful intermediate for the development of novel chemical entities and complex molecular structures.

Organic Synthesis Intermediate
This compound is widely employed as a key intermediate in multi-step organic synthesis pathways. Its functional groups allow for diverse chemical transformations, facilitating the construction of more complex molecules.
Heterocyclic Chemistry Research
As a substituted pyrazine derivative, it is of significant interest in heterocyclic chemistry. Researchers utilise it to explore novel pyrazine-based structures and their potential properties.
Pharmaceutical Intermediate Development
The structure lends itself to applications in the development of pharmaceutical intermediates. It can be a precursor in the synthesis of biologically active compounds.
| Molecular weight | 208.44 |
|---|---|
| Empirical formula | C4H3BrClN3 |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
| 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 5-Bromo-6-chloro-pyrazin-2-amine used for?
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5-Bromo-6-chloro-pyrazin-2-amine is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry and pharmaceutical research.
What are the CAS number and molecular formula for 5-Bromo-6-chloro-pyrazin-2-amine?
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The CAS number is 173253-42-4, and the molecular formula is C4H3BrClN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound as a research or technical grade material. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Bromo-6-chloro-pyrazin-2-amine be handled safely?
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This compound is classified as Dangerous. It is toxic if swallowed (H301), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is 5-Bromo-6-chloro-pyrazin-2-amine a controlled substance?
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The provided data does not indicate that 5-Bromo-6-chloro-pyrazin-2-amine is a controlled substance.
How is this chemical packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions ensures that all chemicals are packed, shipped, and exported in compliance with international regulations for hazardous materials, including UN 2811, Class 6.1, Packing Group III.
How can I request a quote or sample for 5-Bromo-6-chloro-pyrazin-2-amine?
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Please use the 'Request a Quote' or 'Request a Sample' button on our product page, or contact our sales team directly with your specific requirements.
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