Dithiouracil
Dithiouracil (CAS 2001-93-6), a pyrimidine derivative with the chemical formula C4H4N2S2 and a molecular weight of 144.22 g/mol, is a valuable heterocyclic building block. It is primarily utilised in chemical synthesis and research applications. This compound serves as an intermediate or precursor in the development of more complex organic molecules, particularly within the fields of medicinal chemistry and materials science.
- IUPAC
- 2,4(1H,3H)-Pyrimidinedithione,2,4-Dimercaptopyrimidine

Chemical Synthesis Intermediate
Dithiouracil functions as a key intermediate in organic synthesis. Its reactive sites allow for further functionalisation, enabling the construction of diverse molecular architectures for research and development.
Heterocyclic Chemistry Research
As a pyrimidine derivative, Dithiouracil is employed in studies focusing on heterocyclic compounds. Its unique structure contributes to exploring novel chemical reactions and developing new classes of organic molecules.
Building Block for Organic Molecules
This compound serves as a fundamental building block in creating more elaborate chemical structures. It is particularly useful in the synthesis of compounds with potential biological activity or novel material properties.
| Molecular weight | 144.22 |
|---|---|
| Empirical formula | C4H4N2S2 |
| Assay | 98% |
| Melting point | 279-281 °C (dec.)(lit.) |
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 Dithiouracil used for?
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Dithiouracil is used as a building block and intermediate in chemical synthesis and research, particularly in heterocyclic chemistry and for developing new organic molecules.
What are the CAS number and chemical formula for Dithiouracil?
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The CAS number for Dithiouracil is 2001-93-6, and its chemical formula is C4H4N2S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dithiouracil with a minimum assay of 98%. This product is intended for laboratory and research use; TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety considerations for handling Dithiouracil?
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Dithiouracil (CAS 2001-93-6) is classified as a hazardous substance. Appropriate personal protective equipment, including gloves, eye protection, and lab coats, should be worn. Handle in a well-ventilated area or fume hood. Refer to the Safety Data Sheet (SDS) for comprehensive handling and emergency procedures.
How is Dithiouracil packaged and shipped?
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Dithiouracil is carefully packaged to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for Dithiouracil?
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To request a sample or a quote for Dithiouracil, please contact the Tech Serve Solutions sales team via the website or direct email, providing your specific requirements.
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