4,6-Dichloro-2-methylpyrimidine
4,6-Dichloro-2-methylpyrimidine (CAS: 1780-26-3) is a halogenated heterocyclic compound with the molecular formula C5H4Cl2N2 and a molecular weight of 163.00 g/mol. This pyrimidine derivative serves as a valuable building block in organic synthesis. It is primarily utilised in the chemical industry for the development of novel molecules and complex organic structures, particularly within the realm of pharmaceutical research and fine chemical manufacturing.
- Synonyms
- C5H4Cl2N24,6-Dichloropyrimidine, 2-methyl-

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive chlorine atoms allow for facile nucleophilic substitution reactions, making it a versatile component in multi-step synthetic pathways.
Pharmaceutical Research
A crucial building block for the development of new pharmaceutical agents. Its pyrimidine core is found in various biologically active compounds, driving research into novel therapeutics.
Fine Chemical Manufacturing
Employed in the production of specialised fine chemicals. The compound's structure facilitates its incorporation into diverse chemical entities for various industrial applications.
| Molecular weight | 163.00 |
|---|---|
| Empirical formula | C5H4Cl2N2 |
| Assay | 98% |
| Melting point | 41.5-45.5 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| 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 |
|---|---|
| Flash point | 97 °C / 206.6 °F |
| Transport (UN / ADR) | UN 3261 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-43-51/53 |
| Safety statements (S) | 36/37-61 |
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-2-methylpyrimidine used for?
+
4,6-Dichloro-2-methylpyrimidine (CAS: 1780-26-3) is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing. Its structure allows for various chemical modifications to create more complex molecules.
What are the CAS number and chemical formula for 4,6-Dichloro-2-methylpyrimidine?
+
The CAS number is 1780-26-3, and the empirical formula is C5H4Cl2N2.
What grade and purity does Tech Serve Solutions supply for 4,6-Dichloro-2-methylpyrimidine?
+
Tech Serve Solutions supplies 4,6-Dichloro-2-methylpyrimidine with a minimum assay of 98%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 4,6-Dichloro-2-methylpyrimidine be handled safely?
+
4,6-Dichloro-2-methylpyrimidine is classified as harmful if swallowed, may cause an allergic skin reaction, and is toxic to aquatic life with long lasting effects (H302, H317, H411). Always use appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (N100/P3), and avoid release into the environment. Ensure adequate ventilation.
Is 4,6-Dichloro-2-methylpyrimidine a controlled substance?
+
Based on the provided data, 4,6-Dichloro-2-methylpyrimidine is not indicated as a controlled substance.
How is 4,6-Dichloro-2-methylpyrimidine packed and exported?
+
Tech Serve Solutions, a specialist global supplier and exporter since 1998, ensures appropriate packaging for safe transport and export of 4,6-Dichloro-2-methylpyrimidine in compliance with international regulations.
How can I request a quote or sample for 4,6-Dichloro-2-methylpyrimidine?
+
Please contact our sales team directly or use the online enquiry form to request a quotation or sample of 4,6-Dichloro-2-methylpyrimidine.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis