4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol
Tech Serve Solutions offers 4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol (CAS: 36209-51-5), a heterocyclic compound with the molecular formula C7H7N5S and a molecular weight of 193.23 g/mol. This chemical serves as a valuable building block in organic synthesis. Its molecular structure, featuring a triazole ring and a pyridine substituent, makes it suitable for applications in medicinal chemistry and materials science research. Available at a purity of 97%, it is supplied for laboratory and industrial synthesis.
- Synonyms
- 36209-51-5, C7H7N5S

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its reactive thiol and amino groups, along with the heterocyclic core, allow for diverse derivatisation reactions in multi-step synthetic routes.
Medicinal Chemistry Research
The triazole and pyridine moieties are prevalent in many biologically active compounds. This chemical can be employed as a scaffold for the design and synthesis of novel drug candidates for various therapeutic areas.
Materials Science Exploration
Heterocyclic compounds like this triazole derivative can be investigated for their potential in developing new functional materials. Its structure may lend itself to applications in areas such as coordination chemistry or supramolecular assembly.
| Molecular weight | 193.23 |
|---|---|
| Empirical formula | C7H7N5S |
| Assay | 97% |
| Melting point | 250-254 °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 4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol used for?
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This compound is primarily used as a building block in organic synthesis, particularly in medicinal chemistry research and materials science exploration due to its heterocyclic structure.
What are the CAS number and molecular formula for this compound?
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The CAS number is 36209-51-5, and the molecular formula is C7H7N5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol be handled?
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Handle with appropriate personal protective equipment: a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. This compound is classified as causing skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
Is this chemical a controlled substance?
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The provided data does not indicate that this chemical is a controlled substance.
How is this product packed and exported?
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This chemical is carefully packed for safe handling and is available for export globally by Tech Serve Solutions, a licensed supplier since 1998.
How can I request a quote or sample?
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To request a quote or sample, please use the contact form on our website or contact our sales department directly, referencing product code 36209-51-5.
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