2-Chloro-4-iodopyridine
2-Chloro-4-iodopyridine (CAS: 153034-86-7) is a halogenated pyridine derivative with the molecular 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 pharmaceutical and agrochemical industries. Its distinct structural features allow for diverse chemical transformations, making it a key intermediate in the development of complex molecules.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) due to its reactive halogen substituents, enabling the construction of novel drug candidates and heterocyclic scaffolds.
Agrochemical Synthesis
Employed as a building block for the development of new pesticides, herbicides, and fungicides, contributing to advancements in crop protection.
Organic Synthesis Reagent
Serves as a versatile reagent in academic and industrial research for creating complex organic molecules and functionalised heterocyclic systems.
Material Science Research
May be investigated for its potential incorporation into functional materials owing to its pyridine core and halogen functionality.
| Molecular weight | 239.44 |
|---|---|
| Empirical formula | C5H3ClIN |
| Assay | 97% |
| Melting point | 42-43 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41-43 |
| Safety statements (S) | 26-36/37/39 |
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-4-iodopyridine primarily used for?
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2-Chloro-4-iodopyridine is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals.
What is the CAS number and molecular formula for 2-Chloro-4-iodopyridine?
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The CAS number is 153034-86-7, and the molecular formula is C5H3ClIN.
What grade and purity does Tech Serve Solutions supply for 2-Chloro-4-iodopyridine?
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Tech Serve Solutions supplies 2-Chloro-4-iodopyridine with a minimum assay of 97%. This product is not represented as USP, BP, or EP grade.
How should 2-Chloro-4-iodopyridine be handled safely?
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Due to its hazardous properties (Danger, H302, H317, H318), handle with appropriate personal protective equipment including a dust mask (N95), eyeshields, faceshields, and gloves. Avoid contact with skin and eyes and prevent inhalation of dust. Refer to the Safety Data Sheet for detailed handling procedures.
How is 2-Chloro-4-iodopyridine packed and exported?
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Tech Serve Solutions carefully packs and exports fine chemicals globally, adhering to all necessary regulations for safe transport.
How can I request a quote or sample for 2-Chloro-4-iodopyridine?
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Please contact our sales team via the website or direct email to request a quote or sample for 2-Chloro-4-iodopyridine.
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