2-Chloro-4-methylpyrimidine
2-Chloro-4-methylpyrimidine (CAS: 13036-57-2), with the molecular formula C5H5ClN2 and a molecular weight of 128.56 g/mol, is a key heterocyclic building block. This compound serves as a valuable intermediate in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its specific structure allows for versatile derivatisation, making it a sought-after reagent for creating more complex molecular architectures.
- IUPAC
- 2-Chloro-4-methylpyrimidine

Pharmaceutical Synthesis
Utilised as a foundational building block in the synthesis of active pharmaceutical ingredients (APIs), contributing to the development of novel therapeutic agents.
Agrochemical Development
Serves as an intermediate in the creation of pesticides, herbicides, and fungicides, aiding in the advancement of crop protection solutions.
Organic Synthesis Reagent
A versatile reagent in general organic chemistry laboratories for the construction of complex organic molecules and novel heterocyclic compounds.
| Molecular weight | 128.56 |
|---|---|
| Empirical formula | C5H5ClN2 |
| Melting point | 45-50 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
| Flash point | 98 °C / 208.4 °F |
|---|---|
| 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-4-methylpyrimidine used for?
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2-Chloro-4-methylpyrimidine is primarily used as a building block in organic synthesis, finding applications in the development of pharmaceuticals and agrochemicals.
What is the CAS number and molecular formula for 2-Chloro-4-methylpyrimidine?
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The CAS number is 13036-57-2, and the molecular formula is C5H5ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical typically as a research or technical grade. We do not represent it as USP, BP, or EP grade unless explicitly stated in the product specifications.
What are the main hazards associated with 2-Chloro-4-methylpyrimidine?
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This compound is classified as Danger. It may cause serious eye damage (H318), is harmful if swallowed (H302), causes skin irritation (H315), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 2-Chloro-4-methylpyrimidine packaged and shipped?
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Tech Serve Solutions professionally packages and exports chemicals globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a sample or quote for 2-Chloro-4-methylpyrimidine?
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To request a sample or a quotation, please contact our sales department through the website or by phone.
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