2-Amino-5-(ethylthio)-1,3,4-thiadiazole
2-Amino-5-(ethylthio)-1,3,4-thiadiazole (CAS: 25660-70-2) is a heterocyclic compound with the molecular formula C4H7N3S2 and a molecular weight of 161.25 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to further functionalization for the development of novel compounds.
- Synonyms
- 25660-70-2

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its thiadiazole core and amino and ethylthio substituents offer multiple reaction sites for diverse chemical transformations.
Heterocyclic Chemistry Research
Employed in research laboratories for the exploration and development of novel heterocyclic compounds. It is valuable for constructing molecules with potential applications in medicinal chemistry and material science.
Building Block for Functional Materials
Can be incorporated into the design and synthesis of functional materials where the thiadiazole moiety contributes specific electronic or structural properties.
| Molecular weight | 161.25 |
|---|---|
| Empirical formula | C4H7N3S2 |
| Assay | 99% |
| Melting point | 135-137 °C(lit.) |
| 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 2-Amino-5-(ethylthio)-1,3,4-thiadiazole used for?
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2-Amino-5-(ethylthio)-1,3,4-thiadiazole is primarily used as a building block and intermediate in organic synthesis and heterocyclic chemistry research.
What is the CAS number and molecular formula for this compound?
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The CAS number is 25660-70-2, and the molecular formula is C4H7N3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-5-(ethylthio)-1,3,4-thiadiazole with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 2-Amino-5-(ethylthio)-1,3,4-thiadiazole?
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Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, should be used. Handle in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.
How is this chemical shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, adhering to all relevant shipping and export regulations.
How can I request a sample or quote?
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Please contact our sales team via the website or by phone to request a sample or a quotation for 2-Amino-5-(ethylthio)-1,3,4-thiadiazole.
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