4-Chloro-3-iodo-pyridin-2-ylamine
4-Chloro-3-iodo-pyridin-2-ylamine (CAS: 417721-69-8) is a heterocyclic compound with the molecular formula C5H4ClIN2 and a molecular weight of 254.46 g/mol. As a halogenated pyridine derivative, it serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development for the construction of more complex molecular architectures, particularly within the fields of medicinal chemistry and materials science.

Organic Synthesis Intermediate
This compound is a versatile intermediate for the synthesis of novel organic molecules. Its strategically placed halogen atoms and amine group allow for diverse synthetic transformations.
Medicinal Chemistry Research
It can be employed in the development of new pharmaceutical candidates. The pyridine core is a common scaffold in many bioactive compounds.
Heterocyclic Chemistry
As a substituted pyridine, it is a useful reagent for exploring novel heterocyclic structures and their properties.
| Molecular weight | 254.46 |
|---|---|
| Empirical formula | C5H4ClIN2 |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- 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) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36/37 |
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 4-Chloro-3-iodo-pyridin-2-ylamine used for?
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4-Chloro-3-iodo-pyridin-2-ylamine is used as a building block in organic synthesis and for research in medicinal chemistry and heterocyclic chemistry.
What is the CAS number and formula for 4-Chloro-3-iodo-pyridin-2-ylamine?
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The CAS number is 417721-69-8 and the empirical formula is C5H4ClIN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and development purposes. The specific grade and purity are available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should 4-Chloro-3-iodo-pyridin-2-ylamine be handled?
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This compound is classified as harmful if swallowed, in contact with skin, or if inhaled, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment (gloves, safety glasses, lab coat) in a well-ventilated area, such as a fume hood. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is 4-Chloro-3-iodo-pyridin-2-ylamine a controlled substance?
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Based on the provided data, there is no indication that 4-Chloro-3-iodo-pyridin-2-ylamine is a controlled substance.
How is 4-Chloro-3-iodo-pyridin-2-ylamine packed and shipped?
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Tech Serve Solutions packs and ships chemicals in compliance with all relevant regulations for safe handling, transport, and export.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number.
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