2-Chloro-4-iodo-3-methylpyridine
2-Chloro-4-iodo-3-methylpyridine (CAS: 153034-88-9) is a halogenated pyridine derivative with the molecular formula C6H5ClIN and a molecular weight of 253.47 g/mol. Supplied with an assay of 97%, this compound serves as a valuable building block in organic synthesis. It is particularly useful in the construction of complex heterocyclic molecules for research and development purposes within the chemical and pharmaceutical industries.
- IUPAC
- 2-Chloro-4-iodo-3-methyl-pyridine,2-Chloro-4-iodo-3-picoline
- Synonyms
- 2-Chloro-4-iodo-3-picoline

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of novel organic molecules. Its reactive halogen substituents allow for diverse functionalization pathways in multi-step synthetic routes.
Heterocyclic Chemistry
As a substituted pyridine, it is employed in the development of complex heterocyclic structures. These structures are often of interest in medicinal chemistry and materials science research.
Research and Development
2-Chloro-4-iodo-3-methylpyridine is utilised in R&D laboratories for the exploration of new chemical entities and reaction methodologies.
| Molecular weight | 253.47 |
|---|---|
| Empirical formula | C6H5ClIN |
| Assay | 97% |
| Melting point | 101-106 °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) | 1 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
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-4-iodo-3-methylpyridine used for?
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2-Chloro-4-iodo-3-methylpyridine is primarily used as a building block in organic synthesis and for the construction of complex heterocyclic molecules in research and development settings.
What is the CAS number and formula for this compound?
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The CAS number is 153034-88-9 and the empirical formula is C6H5ClIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-iodo-3-methylpyridine with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade unless explicitly stated in the product data.
How should 2-Chloro-4-iodo-3-methylpyridine be handled?
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This compound is classified as Dangerous. It is harmful if swallowed and causes serious eye damage (H302, H318). Handle with appropriate personal protective equipment, including gloves, eye protection, and protective clothing. Ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes and seek immediate medical attention.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote?
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Please contact our sales team via the website or by phone to request a sample or a quotation for 2-Chloro-4-iodo-3-methylpyridine.
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