2-Chloro-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine
2-Chloro-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine (CAS 208519-37-3) is a substituted pyridine derivative with the molecular formula C6H5ClINO2 and a molecular weight of 285.47 g/mol. This heterocyclic compound serves as a valuable building block in organic synthesis. Its specific structure, featuring chloro, hydroxyl, hydroxymethyl, and iodo substituents on a pyridine ring, makes it useful for creating more complex molecules in research and development settings, particularly within chemical synthesis and medicinal chemistry.
- IUPAC
- 2-Chloro-6-(hydroxymethyl)-4-iodo-3-pyridinol,6-Chloro-5-hydroxy-4-iodopyridine-2-methanol

Organic Synthesis Intermediate
This compound acts as a key intermediate in the synthesis of novel organic molecules. The various functional groups allow for diverse chemical transformations, facilitating the construction of complex molecular architectures.
Heterocyclic Building Block
As a substituted pyridine, it is employed as a fundamental building block for creating more elaborate heterocyclic compounds. These structures are often explored in the development of new pharmaceuticals and materials.
Research and Development
Utilised in academic and industrial research labs for exploring new synthetic pathways and discovering compounds with potential biological activity. Its unique substitution pattern offers specific reactivity for targeted chemical reactions.
| Molecular weight | 285.47 |
|---|---|
| Empirical formula | C6H5ClINO2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 145-150 °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-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine used for?
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2-Chloro-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine is primarily used as a building block in organic synthesis, particularly for creating complex heterocyclic compounds in research and development, including medicinal chemistry.
What is the CAS number and formula for 2-Chloro-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine?
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The CAS number is 208519-37-3, and the empirical formula is C6H5ClINO2. The molecular weight is 285.47 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. It is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 2-Chloro-3-hydroxy-6-(hydroxymethyl)-4-iodopyridine be handled safely?
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This compound is classified as Danger. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment (gloves, eye protection) and ensure good ventilation. Avoid breathing dust/fume/gas/mist/vapours/spray. P261, P280, P305 + P351 + P338.
How is this product packed and exported?
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This product is stored at 2-8°C and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical substances.
How can I request a sample or quote for this chemical?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels, specifying the product name and CAS number.
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