4,6-Dichloro-5-methylpyrimidine
4,6-Dichloro-5-methylpyrimidine (CAS 4316-97-6) is a halogenated heterocyclic compound with the molecular formula C5H4Cl2N2 and a molecular weight of 163.00 g/mol. This chemical serves as a versatile building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure, featuring a pyrimidine core substituted with chlorine atoms and a methyl group, allows for various synthetic transformations, making it a valuable intermediate for the development of more complex molecules.
- Synonyms
- C5H4Cl2N25-Methyl-4,6-dichloropyrimidine

Organic Synthesis Intermediate
4,6-Dichloro-5-methylpyrimidine is utilised as a key intermediate in the synthesis of various organic compounds. Its reactive chlorine atoms can be readily displaced, enabling the introduction of diverse functional groups onto the pyrimidine ring system.
Heterocyclic Chemistry
This compound is a valuable building block in the field of heterocyclic chemistry, facilitating the construction of novel pyrimidine derivatives. These derivatives may find applications in medicinal chemistry and materials science.
Research and Development
It is employed in research and development laboratories for exploring new synthetic routes and discovering novel chemical entities. The compound's specific reactivity profile makes it an interesting substrate for methodology development.
| Molecular weight | 163.00 |
|---|---|
| Empirical formula | C5H4Cl2N2 |
| Assay | 97% |
| Melting point | 56-60 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 4,6-Dichloro-5-methylpyrimidine used for?
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4,6-Dichloro-5-methylpyrimidine (CAS 4316-97-6) is primarily used as a building block and intermediate in organic synthesis, particularly within heterocyclic chemistry and for research and development purposes.
What is the CAS number and chemical formula for 4,6-Dichloro-5-methylpyrimidine?
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The CAS number is 4316-97-6, and the empirical formula is C5H4Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,6-Dichloro-5-methylpyrimidine with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for 4,6-Dichloro-5-methylpyrimidine?
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This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection, is essential. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is 4,6-Dichloro-5-methylpyrimidine packed and exported?
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4,6-Dichloro-5-methylpyrimidine is packed and exported according to international shipping regulations for hazardous materials (UN 3261, Class 8, Packing Group II). Specific packaging details are available upon request.
How can I request a sample or a quote for 4,6-Dichloro-5-methylpyrimidine?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number (4316-97-6).
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