5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol
5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol (CAS: 32362-88-2) is a heterocyclic organic compound with the molecular formula C7H6N4S and a molecular weight of 178.21 g/mol. It serves as a valuable building block in chemical synthesis, particularly in the development of novel pharmaceutical intermediates and research chemicals. Its unique structure, featuring a triazole ring and a pyridyl moiety, makes it a key component in constructing more complex molecular architectures for various research and development purposes.
- IUPAC
- 1,2-Dihydro-5-(3-pyridinyl)-3H-1,2,4-triazole-3-thione
- Synonyms
- 32362-88-2C7H6N4S1,2-Dihydro-5-(3-pyridinyl)-3H-1,2,4-triazole-3-thione

Pharmaceutical Intermediate Synthesis
This compound is utilised as a key intermediate in the multi-step synthesis of potential pharmaceutical agents. Its heterocyclic structure allows for diverse derivatisation, facilitating the exploration of new drug candidates.
Agrochemical Research
The triazole and pyridine functionalities offer possibilities for the development of new agrochemicals. Researchers may employ this building block to construct novel compounds with potential pesticidal or herbicidal activity.
Materials Science
As a heterocycle, 5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol can be investigated for its potential incorporation into advanced materials, such as polymers or coordination complexes, influencing their electronic or optical properties.
Organic Synthesis Reagent
Its reactive thiol group and nitrogen-rich heterocyclic system make it a versatile reagent in general organic synthesis, enabling the formation of various sulfur- and nitrogen-containing compounds.
| Molecular weight | 178.21 |
|---|---|
| Empirical formula | C7H6N4S |
| Assay | 97% |
| Melting point | 296-302 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26 |
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-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol primarily used for?
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This compound is primarily used as a building block in organic synthesis, particularly for the development of pharmaceutical intermediates and research chemicals. Its heterocyclic structure makes it valuable for constructing more complex molecules.
What is the CAS number and molecular formula for this chemical?
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The CAS number is 32362-88-2, and the molecular formula is C7H6N4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a minimum purity of 97%. We do not represent this product as USP, BP, or EP grade; it is supplied for research and development or manufacturing purposes.
What are the primary safety concerns when handling 5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol?
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This compound is classified as Dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used, and handling should occur in a well-ventilated area.
How is 5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant national and international regulations for hazardous materials, ensuring safe and secure transport.
How can I request a sample or quote for 5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol?
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You can request a sample or a quote by contacting our sales team directly through our website or by calling our customer service number.
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