5-Ethyl-2-thiouracil
5-Ethyl-2-thiouracil (CAS: 34171-37-4), with the molecular formula C6H8N2OS and a molecular weight of 156.21 g/mol, is a heterocyclic organic compound. It finds utility as a biochemical reagent and is associated with nucleoside analog research. This compound is supplied by TSS for laboratory and research applications, adhering to stringent quality controls.

Biochemical Research
5-Ethyl-2-thiouracil serves as a valuable reagent in biochemical studies. Its structural relationship to natural nucleobases makes it useful in investigations involving nucleic acid analogues and related biochemical pathways.
Nucleoside Analog Synthesis
The compound can be employed as a building block or intermediate in the synthesis of modified nucleosides and nucleotides. These analogs are often explored for their potential biological activities and applications in molecular biology.
Laboratory Reagent
As a well-defined chemical entity, 5-Ethyl-2-thiouracil is utilised as a standard reagent in various laboratory settings for synthetic chemistry and analytical purposes.
| Molecular weight | 156.21 |
|---|---|
| Empirical formula | C6H8N2OS |
| Assay | >99% (TLC) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 5-Ethyl-2-thiouracil primarily used for?
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5-Ethyl-2-thiouracil is used as a biochemical reagent and finds application in the synthesis of nucleoside analogs for research purposes.
What are the CAS number and molecular formula of 5-Ethyl-2-thiouracil?
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The CAS number is 34171-37-4 and the molecular formula is C6H8N2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Ethyl-2-thiouracil with an assay of >99% (TLC). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
What are the safety and handling recommendations for 5-Ethyl-2-thiouracil?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with WGK Germany 3, indicating a high hazard.
How is 5-Ethyl-2-thiouracil packed and exported?
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5-Ethyl-2-thiouracil is carefully packed and available for export globally by Tech Serve Solutions, following all necessary regulations for chemical transport.
How can I request a sample or a quote for 5-Ethyl-2-thiouracil?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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