2,6-Dichloro-3-iodopyridine
2,6-Dichloro-3-iodopyridine (CAS: 148493-37-2) is a halogenated pyridine derivative with the molecular formula C5H2Cl2IN and a molecular weight of 273.89 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic structures. Its utility lies in its strategically placed halogen atoms, enabling diverse cross-coupling reactions and functional group transformations for pharmaceutical and agrochemical research.
- Synonyms
- C5H2Cl2IN

Organic Synthesis Intermediate
Serves as a versatile intermediate in the synthesis of novel organic molecules. The distinct halogen substitutions (chlorine and iodine) allow for regioselective functionalization through various coupling reactions.
Pharmaceutical Research
A key building block for the development of new pharmaceutical candidates. Its pyridine core and halogen substituents are useful for medicinal chemistry explorations and drug discovery programmes.
Agrochemical Development
Utilised in the creation of new agrochemical compounds, contributing to the development of novel pesticides, herbicides, and fungicides due to its heterocyclic structure.
Materials Science
Potential applications in materials science for synthesising specialised polymers or functional materials requiring specific heterocyclic moieties.
| Molecular weight | 273.89 |
|---|---|
| Empirical formula | C5H2Cl2IN |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 74-79 °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) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-36 |
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 2,6-Dichloro-3-iodopyridine used for?
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2,6-Dichloro-3-iodopyridine is primarily used as a building block in organic synthesis for creating more complex molecules, particularly in pharmaceutical and agrochemical research and development.
What is the CAS number and chemical formula for 2,6-Dichloro-3-iodopyridine?
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The CAS number is 148493-37-2, and its chemical formula is C5H2Cl2IN.
What grade and purity does Tech Serve Solutions supply for 2,6-Dichloro-3-iodopyridine?
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Tech Serve Solutions supplies 2,6-Dichloro-3-iodopyridine with an assay of 97%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,6-Dichloro-3-iodopyridine be handled and stored?
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Handling requires appropriate personal protective equipment due to its 'Danger' hazard signal word, and hazard statements including H301 (Toxic if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Store at 2-8°C.
Is 2,6-Dichloro-3-iodopyridine a controlled substance?
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The provided data does not indicate that 2,6-Dichloro-3-iodopyridine is a controlled substance.
How can I request a sample or quote for 2,6-Dichloro-3-iodopyridine?
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To request a sample or quote, please contact our sales team via the website or direct inquiry, providing your specific requirements.
How is 2,6-Dichloro-3-iodopyridine packed and shipped?
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This compound is packed and shipped according to UN 2811 6.1 / PGIII regulations, indicating it is transported as a toxic solid, organic, n.o.s.
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