2,4,6-Trichloro-5-methylpyrimidine
2,4,6-Trichloro-5-methylpyrimidine (CAS: 1780-36-5) is a halogenated heterocyclic compound with the molecular formula C5H3Cl3N2 and a molecular weight of 197.45 g/mol. This pyrimidine derivative serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its defined structure makes it a useful intermediate for the development of more complex organic molecules, finding applications in research and development laboratories. Tech Serve Solutions supplies this chemical with an assay of 97%.
- Synonyms
- 1780-36-5C5H3Cl3N2

Organic Synthesis Intermediate
2,4,6-Trichloro-5-methylpyrimidine is employed as a versatile intermediate in organic synthesis. Its reactive chlorine atoms allow for various nucleophilic substitution reactions, facilitating the construction of diverse molecular architectures.
Heterocyclic Chemistry
As a substituted pyrimidine, this compound is a key component in the study and synthesis of novel heterocyclic systems. It contributes to the development of new chemical entities with potential applications in various scientific fields.
Research and Development
This chemical is utilised in research laboratories for exploring new synthetic pathways and developing novel compounds. Its availability as a building block aids in accelerating discovery processes in medicinal chemistry and materials science.
| Molecular weight | 197.45 |
|---|---|
| Empirical formula | C5H3Cl3N2 |
| Assay | 97% |
| Melting point | 65-69 °C |


Hazard statements
- H302Harmful if swallowed
- 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) | 22-34 |
| 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 2,4,6-Trichloro-5-methylpyrimidine used for?
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2,4,6-Trichloro-5-methylpyrimidine is primarily used as a building block and intermediate in organic synthesis, particularly in the field of heterocyclic chemistry for research and development purposes.
What are the CAS number and formula for 2,4,6-Trichloro-5-methylpyrimidine?
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The CAS number for 2,4,6-Trichloro-5-methylpyrimidine is 1780-36-5, and its empirical formula is C5H3Cl3N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4,6-Trichloro-5-methylpyrimidine with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeia standards.
What are the safety considerations for handling 2,4,6-Trichloro-5-methylpyrimidine?
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This compound is classified as dangerous and causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection (e.g., N100 respirators or P3 filter cartridges), must be used. Handle in a well-ventilated area and follow all safety precautions indicated by the GHS symbols (GHS05, GHS07) and signal word 'Danger'.
How is 2,4,6-Trichloro-5-methylpyrimidine packed and shipped?
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2,4,6-Trichloro-5-methylpyrimidine is packed and shipped according to international regulations for hazardous materials, identified under UN 3261, Hazard Class 8, Packing Group II.
How can I request a quote or sample?
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To request a quote or a sample of 2,4,6-Trichloro-5-methylpyrimidine, please contact our sales team through the website or by phone. Provide your contact details and the required quantity.
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