2-Chloro-3-iodopyridine
2-Chloro-3-iodopyridine (CAS: 78607-36-0) is a halogenated pyridine derivative with the empirical formula C5H3ClIN and a molecular weight of 239.44 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the fields of medicinal chemistry and materials science. Its unique structure, featuring both chlorine and iodine substituents on the pyridine ring, allows for diverse chemical transformations, making it an important intermediate for constructing complex heterocyclic molecules. TSS supplies this chemical with an assay of 97%.

Organic Synthesis Intermediate
2-Chloro-3-iodopyridine is utilised as a versatile building block in the synthesis of more complex organic molecules. Its halogen substituents offer distinct reactivity for cross-coupling reactions and nucleophilic substitution.
Medicinal Chemistry Research
This compound finds application in the development of novel pharmaceutical agents. The pyridine core and halogen functionalities can be incorporated into potential drug candidates for various therapeutic areas.
Materials Science
The unique electronic and structural properties of halogenated pyridines make them useful in the design of advanced materials. 2-Chloro-3-iodopyridine can serve as a precursor for functional organic materials.
| Molecular weight | 239.44 |
|---|---|
| Empirical formula | C5H3ClIN |
| Assay | 97% |
| Melting point | 90-95 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-37-39 |
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-Chloro-3-iodopyridine used for?
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2-Chloro-3-iodopyridine is primarily used as a building block in organic synthesis, with applications in medicinal chemistry research and materials science for the construction of complex molecules.
What are the CAS number and formula for 2-Chloro-3-iodopyridine?
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The CAS number is 78607-36-0 and the empirical formula is C5H3ClIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-3-iodopyridine with an assay of 97%. This is a technical/research grade material and is not represented as USP, BP, or EP.
What are the safety considerations for 2-Chloro-3-iodopyridine?
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2-Chloro-3-iodopyridine is classified as Danger, with hazard statements H302 (Harmful if swallowed) and H318 (Causes serious eye damage). It is crucial to wear appropriate personal protective equipment, including eye protection (P280, P305+P351+P338), and avoid ingestion.
How is 2-Chloro-3-iodopyridine packed and shipped?
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2-Chloro-3-iodopyridine is carefully packed according to international shipping regulations for chemical substances. TSS exports this product globally to meet research and industrial demands.
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-3-iodopyridine, please contact our sales team through the website or provide your details via the product inquiry form.
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