4,6-Dichloro-2-(methylthio)pyrimidine-5-carboxylic acid
4,6-Dichloro-2-(methylthio)pyrimidine-5-carboxylic acid (CAS: 313339-35-4; MW: 239.08) is a halogenated heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyrimidine chemistry. Its structure, featuring reactive chlorine atoms and a carboxylic acid group, makes it a versatile intermediate for the development of more complex molecules.
- IUPAC
- 4,6-Dichloro-2-(methylsulfanyl)pyrimidine-5-carboxylic acid
- Synonyms
- C6H4Cl2N2O2S4,6-Dichloro-2-(methylsulfanyl)pyrimidine-5-carboxylic acid

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of various organic molecules. The presence of reactive halogens and a carboxylic acid moiety allows for diverse chemical transformations.
Heterocyclic Chemistry
As a substituted pyrimidine derivative, it is instrumental in constructing more complex heterocyclic systems, which are prevalent in pharmaceuticals and agrochemicals.
Research and Development
Used in academic and industrial research laboratories for exploring novel chemical pathways and discovering new chemical entities.
| Molecular weight | 239.08 |
|---|---|
| Empirical formula | C6H4Cl2N2O2S |
| Assay | 97% |
| Melting point | 159-163 °C (D) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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)pyrimidine-5-carboxylic acid used for?
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4,6-Dichloro-2-(methylthio)pyrimidine-5-carboxylic acid is primarily used as a building block and intermediate in organic synthesis, particularly in the field of heterocyclic and pyrimidine chemistry for research and development purposes.
What are the CAS number and formula for this compound?
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The CAS number is 313339-35-4, and its empirical formula is C6H4Cl2N2O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with a purity of at least 97%. It is suitable for chemical synthesis and research applications. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound is classified as a Warning with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust and contact with skin and eyes. Follow precautionary statements P261, P305, P351, and P338.
How is this chemical exported and shipped by TSS?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals. We ensure compliant and secure packaging and shipping for international delivery.
How can I request a quote or sample?
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To request a quote or a sample, please use the contact form on our website or reach out to our sales department directly. Please reference the product name and CAS number.
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