2-Chloro-4-iodo-3-pyridinecarbonitrile
2-Chloro-4-iodo-3-pyridinecarbonitrile (CAS: 1171919-75-7) is a halogenated pyridine derivative with the molecular formula C6H2ClIN2 and a molecular weight of 264.45 g/mol. This compound serves as a valuable building block in organic synthesis. Its structure, featuring chloro, iodo, and nitrile functionalities on a pyridine ring, allows for diverse chemical transformations, making it useful in the development of novel molecules, particularly within the pharmaceutical and agrochemical sectors. Available at 97% purity.
- IUPAC
- 2-Chloro-3-cyano-4-iodopyridine

Organic Synthesis Intermediate
Utilised as a versatile intermediate in multi-step organic synthesis pathways. The presence of both chlorine and iodine atoms allows for selective cross-coupling reactions and nucleophilic substitutions.
Pharmaceutical Research
A key building block for the synthesis of complex heterocyclic compounds investigated for potential pharmaceutical applications. Its pyridine core is a common motif in many biologically active molecules.
Agrochemical Development
Employed in the research and development of new agrochemical agents. The halogenated pyridine structure can be incorporated into molecules designed for crop protection.
Material Science Precursor
Potential precursor for functional materials where tailored electronic or structural properties are required, owing to the unique combination of substituents on the pyridine ring.
| Molecular weight | 264.45 |
|---|---|
| Empirical formula | C6H2ClIN2 |
| Assay | 97% |
| Melting point | 142-147 °C |


Hazard statements
- H302Harmful 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
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| 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-pyridinecarbonitrile primarily used for?
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2-Chloro-4-iodo-3-pyridinecarbonitrile (CAS: 1171919-75-7) is primarily used as a versatile building block in organic synthesis, particularly for the development of novel compounds in pharmaceutical and agrochemical research.
What is the CAS number and molecular formula for this compound?
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The CAS number for 2-Chloro-4-iodo-3-pyridinecarbonitrile is 1171919-75-7, and its molecular formula is C6H2ClIN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-iodo-3-pyridinecarbonitrile with a minimum assay of 97%. This is a research or technical grade material and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
How should 2-Chloro-4-iodo-3-pyridinecarbonitrile be handled safely?
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This compound is classified as Danger with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Always handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection if needed) in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling and first-aid measures.
Is 2-Chloro-4-iodo-3-pyridinecarbonitrile a controlled substance?
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The provided data does not indicate that 2-Chloro-4-iodo-3-pyridinecarbonitrile is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals according to stringent international regulations for hazardous materials, ensuring product integrity and safety throughout the supply chain.
How can I request a sample or quote for 2-Chloro-4-iodo-3-pyridinecarbonitrile?
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To request a sample or a quotation for 2-Chloro-4-iodo-3-pyridinecarbonitrile, please use the contact form on our website or email our sales department, providing your specific requirements.
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