2,4-Dichloro-5-methoxypyrimidine
2,4-Dichloro-5-methoxypyrimidine (CAS: 19646-07-2) is a halogenated heterocyclic organic compound with the molecular formula C5H4Cl2N2O and a molecular weight of 179.00 g/mol. This pyrimidine derivative serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecules. It is widely employed in the chemical and pharmaceutical industries for research and development purposes.
- Synonyms
- C5H4Cl2N2O

Organic Synthesis Intermediate
Used as a key intermediate in the synthesis of various organic compounds, leveraging its reactive chloro and methoxy groups for further functionalization.
Pharmaceutical Research
A building block for the development of novel pharmaceutical agents and active pharmaceutical ingredients (APIs).
Agrochemical Development
Potential applications in the synthesis of new agrochemicals due to its heterocyclic structure.
Material Science
Can be utilized in the creation of specialised materials requiring specific heterocyclic moieties.
| Molecular weight | 179.00 |
|---|---|
| Empirical formula | C5H4Cl2N2O |
| Assay | 97% |
| Melting point | 66-70 °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
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| 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 2,4-Dichloro-5-methoxypyrimidine used for?
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2,4-Dichloro-5-methoxypyrimidine (CAS: 19646-07-2) is primarily used as a versatile building block in organic synthesis, particularly in the pharmaceutical and chemical industries for research and development.
What are the CAS number and molecular formula for 2,4-Dichloro-5-methoxypyrimidine?
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The CAS number is 19646-07-2, and the molecular formula is C5H4Cl2N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichloro-5-methoxypyrimidine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling 2,4-Dichloro-5-methoxypyrimidine?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves, should be used. Handle in a well-ventilated area.
How is 2,4-Dichloro-5-methoxypyrimidine packed, shipped, and exported?
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Tech Serve Solutions safely packs and exports 2,4-Dichloro-5-methoxypyrimidine globally, adhering to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for 2,4-Dichloro-5-methoxypyrimidine?
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To request a sample or a quote for 2,4-Dichloro-5-methoxypyrimidine, please contact our sales team through the website or by phone.
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