4,6-Dichloro-2-methylthio-5-phenylpyrimidine
4,6-Dichloro-2-methylthio-5-phenylpyrimidine (CAS: 64415-11-8) is a halogenated heterocyclic compound with the molecular formula C11H8Cl2N2S and a molecular weight of 271.17 g/mol. This chemical serves as a valuable building block in organic synthesis. Its structure lends itself to further functionalisation, making it useful in the development of complex molecules, particularly within pharmaceutical research and chemical synthesis applications.
- Synonyms
- C11H8Cl2N2S

Synthesis of Catalysts
This compound has been utilised in the preparation of cinchona alkaloid-derived catalysts, which are important in asymmetric synthesis.
Chemical Synthesis Intermediate
As a halogenated pyrimidine derivative, it functions as a versatile intermediate in multi-step organic synthesis pathways, allowing for the introduction of specific chemical functionalities.
Research and Development
Primarily used in laboratory settings for R&D purposes, contributing to the exploration of new chemical entities and synthetic methodologies.
| Molecular weight | 271.17 |
|---|---|
| Empirical formula | C11H8Cl2N2S |
| Assay | 95% |
| Application | 4,6-Dichloro-2-methylthio-5-phenylpyrimidine was used in the synthesis of cinchona alkaloid-derived catalysts1. |
| Melting point | 107-111 °C(lit.) |


Hazard statements
- H314Causes severe skin burns and 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
- 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 3263 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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-2-methylthio-5-phenylpyrimidine used for?
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4,6-Dichloro-2-methylthio-5-phenylpyrimidine is used as a building block and intermediate in chemical synthesis, notably in the preparation of cinchona alkaloid-derived catalysts.
What are the CAS number and chemical formula for this compound?
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The CAS number is 64415-11-8 and the empirical formula (Hill notation) is C11H8Cl2N2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a purity of 95% (assay). This is a technical grade material and is not represented as USP, EP, BP, or any other pharmacopoeia standard.
What are the safety and handling precautions for 4,6-Dichloro-2-methylthio-5-phenylpyrimidine?
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This compound is classified as Danger, with hazards including H314 (Causes severe skin burns and eye damage) and H335 (May cause respiratory irritation). Appropriate personal protective equipment such as eyeshields, gloves, and respiratory protection is essential. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet for comprehensive handling information.
Is this product available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or a quote?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for 4,6-Dichloro-2-methylthio-5-phenylpyrimidine.
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