5-Amino-2-chloro-3-iodopyridine
5-Amino-2-chloro-3-iodopyridine (CAS: 444902-32-3) is a halogenated heterocyclic compound with the molecular formula C5H4ClIN2 and a molecular weight of 254.46 g/mol. It serves as a valuable building block in organic synthesis, particularly for the construction of complex molecules. Its structure, featuring amino, chloro, and iodo substituents on a pyridine ring, allows for diverse chemical transformations and applications in research and development.
- IUPAC
- 2-Chloro-3-iodo-5-pyridinamine,6-Chloro-5-iodo-3-pyridinamine
- Synonyms
- 2-Chloro-3-iodo-5-pyridinamine6-Chloro-5-iodo-3-pyridinamine

Organic Synthesis Intermediate
This compound is employed as a key intermediate in multi-step organic syntheses. The distinct functional groups enable regioselective reactions for building more elaborate molecular architectures.
Pharmaceutical Research
It finds utility in the synthesis of novel pharmaceutical candidates and active pharmaceutical ingredients (APIs). Its heterocyclic nature is a common feature in many biologically active molecules.
Agrochemical Development
The pyridine scaffold and halogen substituents make it a potential precursor for the development of new agrochemical agents, such as herbicides or pesticides.
Material Science
Can be used in the synthesis of specialised organic materials where specific electronic or structural properties are required, owing to its functionalized heterocyclic core.
| Molecular weight | 254.46 |
|---|---|
| Empirical formula | C5H4ClIN2 |
| Assay | 97% |
| Melting point | 115-125 °C |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-50 |
| Safety statements (S) | 26-39-61 |
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 5-Amino-2-chloro-3-iodopyridine used for?
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5-Amino-2-chloro-3-iodopyridine is primarily used as a building block and intermediate in organic synthesis, including pharmaceutical research, agrochemical development, and potentially in material science.
What are the CAS number and formula for 5-Amino-2-chloro-3-iodopyridine?
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The CAS number is 444902-32-3 and the empirical formula (Hill notation) is C5H4ClIN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-2-chloro-3-iodopyridine with a minimum assay of 97%. It is supplied as a technical or research grade material and TSS does not represent it as USP, BP, or EP grade.
How should 5-Amino-2-chloro-3-iodopyridine be handled?
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5-Amino-2-chloro-3-iodopyridine is classified as Danger. It is harmful if swallowed (H302), causes serious eye damage (H318), and is very toxic to aquatic life (H400). Handle with appropriate personal protective equipment (PPE), including gloves, eye protection, and respiratory protection if necessary. Avoid release to the environment. Refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.
Is 5-Amino-2-chloro-3-iodopyridine a controlled substance?
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The provided data does not indicate that 5-Amino-2-chloro-3-iodopyridine is a controlled substance.
How is 5-Amino-2-chloro-3-iodopyridine packed and shipped?
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It is classified under UN 2811, Hazard Class 6.1 (Toxic substances), Packing Group III. International regulations for the transport of dangerous goods apply. TSS exports this chemical globally, adhering to all relevant shipping and customs regulations.
How can I request a sample or quote for 5-Amino-2-chloro-3-iodopyridine?
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To request a sample or a quotation, please contact our sales department via the website or by telephone, providing your specific requirements and shipping details.
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