5-Chloro-2-methoxypyrimidine
5-Chloro-2-methoxypyrimidine (CAS: 38373-44-3, C5H5ClN2O) is a halogenated pyrimidine derivative with a molecular weight of 144.56 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and agrochemical sectors. Its structure lends itself to further functionalization, making it a key intermediate for creating more complex molecules. Tech Serve Solutions offers this chemical for research and development purposes.

Organic Synthesis Intermediate
5-Chloro-2-methoxypyrimidine is utilised as a versatile intermediate in the construction of diverse organic molecules. Its pyrimidine core and reactive chlorine atom allow for various substitution and coupling reactions.
Pharmaceutical Research
This compound is employed in the synthesis of potential pharmaceutical agents. Its heterocyclic structure is a common motif found in biologically active compounds, making it relevant for drug discovery programmes.
Agrochemical Development
The pyrimidine scaffold is present in numerous agrochemicals. 5-Chloro-2-methoxypyrimidine can be a precursor for developing novel herbicides, insecticides, or fungicides.
| Molecular weight | 144.56 |
|---|---|
| Empirical formula | C5H5ClN2O |
| Assay | 97% |
| Melting point | 50-55 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 97 °C / 206.6 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| 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 5-Chloro-2-methoxypyrimidine used for?
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5-Chloro-2-methoxypyrimidine is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals.
What are the CAS number and formula for 5-Chloro-2-methoxypyrimidine?
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The CAS number is 38373-44-3 and the molecular formula is C5H5ClN2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-2-methoxypyrimidine at an assay of 97%. This product is supplied for research and development and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for 5-Chloro-2-methoxypyrimidine?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Always handle with appropriate personal protective equipment, including eye protection, and avoid ingestion.
How is 5-Chloro-2-methoxypyrimidine packed, shipped, and exported?
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Tech Serve Solutions offers global export services for its chemical products, adhering to all necessary regulations for safe and compliant shipping.
How can I request a sample or quote for 5-Chloro-2-methoxypyrimidine?
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To request a sample or quote, please contact our sales team via the website or direct email, providing your specific requirements.
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