5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol
5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol (CAS: 15264-63-8) is a heterocyclic organic compound with the molecular formula C7H5N3OS and a molecular weight of 179.20 g/mol. This compound serves as a valuable building block in chemical synthesis and finds applications in materials science. Its structure features an oxadiazole ring functionalised with a pyridyl group and a thiol substituent, making it a versatile intermediate for further chemical modifications and explorations in advanced materials.
- Synonyms
- 15264-63-8

Chemical Synthesis Intermediate
This compound is utilised as a key building block in organic synthesis. Its reactive thiol group and heterocyclic core allow for diverse chemical transformations, enabling the construction of more complex molecular architectures.
Materials Science
It is employed in materials science research due to its potential applications in areas such as organic electronics and photonic materials. The unique electronic and optical properties of the oxadiazole and pyridyl moieties are of particular interest.
Laser Dyes
The structural features of 5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol suggest its potential utility in the development of laser dyes, contributing to advancements in optical technologies.
| Molecular weight | 179.20 |
|---|---|
| Empirical formula | C7H5N3OS |
| Assay | 97% |
| Melting point | 270-275 °C(lit.) |

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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol used for?
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This compound serves as a building block in chemical synthesis and is explored for applications in materials science, including organic electronics, photonic materials, and potentially as a laser dye.
What is the CAS number and chemical formula for 5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol?
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The CAS number is 15264-63-8, and the empirical formula (Hill notation) is C7H5N3OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. We do not represent it as USP, BP, EP, or pharmacopoeia grade unless explicitly stated.
What are the safety and handling recommendations for this chemical?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust.
How is 5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol packed and exported?
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Tech Serve Solutions offers this chemical for global export, adhering to all necessary regulations for safe packaging and international shipment. Specific packaging details are available upon request.
How can I request a quote or sample?
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To request a quote or a sample, please visit the product page on our website and use the 'Request a Quote' or 'Request Sample' form, or contact our sales team directly.
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