5-Phenyl-1,3,4-oxadiazole-2-thiol
5-Phenyl-1,3,4-oxadiazole-2-thiol (CAS: 3004-42-0) is an organic compound with the molecular formula C8H6N2OS and a molecular weight of 178.21 g/mol. This heterocyclic compound serves as a valuable building block in organic synthesis and is recognised for its utility in materials science, particularly in the development of laser dyes and organic electronics. It features an oxadiazole core functionalised with a phenyl group and a thiol moiety, enabling diverse chemical transformations.
- Synonyms
- 3004-42-0C8H6N2OS

Organic Synthesis Building Block
This compound acts as a versatile intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical modifications, making it a key component in multi-step synthetic pathways for novel compounds.
Materials Science Research
5-Phenyl-1,3,4-oxadiazole-2-thiol finds application in materials science due to its potential in developing advanced materials. It is relevant in research concerning photonic and optical materials, contributing to the design of new functional substances.
Laser Dye Development
The inherent photophysical properties of oxadiazole derivatives suggest their use in laser dye applications. This compound may be explored for its ability to absorb and emit light at specific wavelengths, crucial for laser technology.
Organic and Printed Electronics
As a heterocyclic building block, this compound is relevant to the field of organic electronics. Its structure may be incorporated into molecules designed for organic light-emitting diodes (OLEDs), organic field-effect transistors (OFETs), and other electronic devices.
| Molecular weight | 178.21 |
|---|---|
| Empirical formula | C8H6N2OS |
| Assay | 97% |
| Melting point | 219-222 °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-Phenyl-1,3,4-oxadiazole-2-thiol used for?
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5-Phenyl-1,3,4-oxadiazole-2-thiol is primarily used as a building block in organic synthesis and for research in materials science, including the development of laser dyes and organic electronics. It is a valuable intermediate for creating more complex organic molecules.
What are the CAS number and formula for 5-Phenyl-1,3,4-oxadiazole-2-thiol?
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The CAS number for 5-Phenyl-1,3,4-oxadiazole-2-thiol is 3004-42-0. Its empirical formula is C8H6N2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Phenyl-1,3,4-oxadiazole-2-thiol with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Phenyl-1,3,4-oxadiazole-2-thiol be handled safely?
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5-Phenyl-1,3,4-oxadiazole-2-thiol is classified as a warning substance. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is 5-Phenyl-1,3,4-oxadiazole-2-thiol available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-Phenyl-1,3,4-oxadiazole-2-thiol. We ship to customers worldwide.
How can I request a quote or sample?
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To request a quote or a sample of 5-Phenyl-1,3,4-oxadiazole-2-thiol, please visit our website or contact our sales team directly. Provide the product name and CAS number (3004-42-0) for prompt service.
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