4-Amino-5-bromo-2-chloropyridine
4-Amino-5-bromo-2-chloropyridine (CAS: 857730-21-3) is a halogenated pyridine derivative with the molecular formula C5H4BrClN2 and a molecular weight of 207.46 g/mol. This compound serves as a versatile building block in organic synthesis, particularly for constructing more complex heterocyclic molecules. Its distinct substitution pattern makes it valuable in research and development settings for creating novel chemical entities in areas such as medicinal chemistry and materials science.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations.
Heterocyclic Chemistry
Serves as a valuable building block in heterocyclic chemistry, enabling the construction of pyridine-based scaffolds with specific substitution patterns for further functionalisation.
Research and Development
Employed in R&D laboratories for the exploration of new chemical reactions and the development of novel molecules with potential applications in pharmaceuticals and agrochemicals.
| Molecular weight | 207.46 |
|---|---|
| Empirical formula | C5H4BrClN2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 127.3-128.4 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- 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-Amino-5-bromo-2-chloropyridine used for?
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4-Amino-5-bromo-2-chloropyridine is primarily used as an intermediate and building block in organic synthesis, particularly within heterocyclic and medicinal chemistry research.
What is the CAS number and molecular formula for 4-Amino-5-bromo-2-chloropyridine?
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The CAS number is 857730-21-3, and the molecular formula is C5H4BrClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-5-bromo-2-chloropyridine with a minimum assay of 97%. This product is intended for laboratory and research use. Tech Serve Solutions does not represent this product as USP, BP, or EP grade.
How should 4-Amino-5-bromo-2-chloropyridine be handled safely?
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4-Amino-5-bromo-2-chloropyridine is classified as dangerous. It is toxic if swallowed (H301) and causes skin (H315) and serious eye irritation (H319). Handle with appropriate personal protective equipment (gloves, eye protection) in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling instructions. Given the 'Danger' signal word and 'T' hazard code, professional handling in a controlled laboratory environment is essential.
Is 4-Amino-5-bromo-2-chloropyridine supplied or exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Amino-5-bromo-2-chloropyridine.
How can I request a quote or sample for 4-Amino-5-bromo-2-chloropyridine?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (857730-21-3).
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