2-Chloro-4-methylpyridine
2-Chloro-4-methylpyridine (CAS: 3678-62-4) is a halogenated pyridine derivative with the molecular formula C6H6ClN and a molecular weight of 127.57 g/mol. As a versatile building block, it finds significant utility in chemical synthesis, particularly within the realm of heterocyclic chemistry. This compound serves as an intermediate for the preparation of more complex molecules, making it valuable in research and development settings for novel compound discovery.
- IUPAC
- 2-Chloro-4-picoline

Organic Synthesis Intermediate
2-Chloro-4-methylpyridine is employed as a key intermediate in the synthesis of various organic compounds. Its reactive chlorine atom and pyridine ring structure allow for diverse functionalisation pathways.
Pharmaceutical Research
This compound can be used as a building block in the development of new pharmaceutical agents. It contributes to the synthesis of molecules with potential therapeutic applications.
Agrochemical Development
The structural features of 2-Chloro-4-methylpyridine make it suitable for incorporation into potential agrochemical candidates, aiding in the design of new pesticides or herbicides.
Materials Science
It may serve as a precursor in the synthesis of functional materials or speciality chemicals, leveraging its heterocyclic structure for unique properties.
| Molecular weight | 127.57 |
|---|---|
| Empirical formula | C6H6ClN |
| Assay | 98% |
| Boiling point | 194-195 °C(lit.) |
| Density | 1.142 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.529(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-methylpyridine used for?
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2-Chloro-4-methylpyridine (CAS: 3678-62-4) is primarily used as a versatile building block in organic synthesis, with applications in pharmaceutical research, agrochemical development, and potentially materials science. It serves as an intermediate for creating more complex molecules.
What are the CAS number and formula for 2-Chloro-4-methylpyridine?
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The CAS number for 2-Chloro-4-methylpyridine is 3678-62-4, and its molecular formula is C6H6ClN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-methylpyridine with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 2-Chloro-4-methylpyridine be handled safely?
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2-Chloro-4-methylpyridine is classified as a Warning substance. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and ensure adequate ventilation. Avoid breathing vapours. Refer to the Safety Data Sheet for full guidance.
Is 2-Chloro-4-methylpyridine a controlled substance?
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The provided data does not indicate that 2-Chloro-4-methylpyridine is a controlled substance.
How is 2-Chloro-4-methylpyridine packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant national and international regulations. Packaging is selected to ensure product integrity and safety during transit. Please contact us for specific shipping details regarding your region.
How can I request a sample or quote for 2-Chloro-4-methylpyridine?
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To request a sample or a quote for 2-Chloro-4-methylpyridine, please visit the product page on our website and use the 'Request Sample' or 'Request Quote' function, or contact our sales team directly.
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