2-Chloro-5-methylpyridin-3-ol
2-Chloro-5-methylpyridin-3-ol (CAS: 910649-59-1), with the molecular formula C6H6ClNO and a molecular weight of 143.57 g/mol, is a halogenated heterocyclic compound. It serves as a valuable building block in organic synthesis, particularly within the chemical industry for the development of novel molecules. Its structure lends itself to further chemical modifications, making it a useful intermediate in research and development settings.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its reactive sites allow for diverse chemical transformations, facilitating the construction of target compounds in multi-step syntheses.
Building Block for Heterocycles
Serves as a fundamental building block for creating more complex heterocyclic structures. Its pyridine core, functionalised with chlorine and hydroxyl groups, offers specific reactivity for targeted chemical modifications.
Research and Development
Employed in R&D laboratories for exploring new chemical reactions and developing novel compounds. Its availability enables chemists to investigate its utility in various synthetic pathways.
| Molecular weight | 143.57 |
|---|---|
| Empirical formula | C6H6ClNO |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Transport (UN / ADR) | UN 3082 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-51/53 |
| 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 2-Chloro-5-methylpyridin-3-ol used for?
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2-Chloro-5-methylpyridin-3-ol is primarily used as a building block and intermediate in organic synthesis, particularly for the development of complex heterocyclic compounds in research and industrial settings.
What is the CAS number and formula for 2-Chloro-5-methylpyridin-3-ol?
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The CAS number for 2-Chloro-5-methylpyridin-3-ol is 910649-59-1, and its empirical formula is C6H6ClNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-5-methylpyridin-3-ol typically as a technical or research grade with a minimum purity of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Chloro-5-methylpyridin-3-ol be handled safely?
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2-Chloro-5-methylpyridin-3-ol is classified as Dangerous. It is harmful if swallowed (H302), causes serious eye damage (H318), and is toxic to aquatic life with long-lasting effects (H411). Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection if dust is generated. Ensure good ventilation and avoid release into the environment. Refer to the Safety Data Sheet for comprehensive handling information.
How is 2-Chloro-5-methylpyridin-3-ol packed and shipped?
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This chemical is packed in compliance with international shipping regulations for hazardous materials, including UN 3082 (9 / PGIII), and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 2-Chloro-5-methylpyridin-3-ol?
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To request a sample or quote, please visit the Tech Serve Solutions website and use the contact form or call our sales department, providing the product name and CAS number (910649-59-1).
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