5-(Benzylthio)-1H-tetrazole
5-(Benzylthio)-1H-tetrazole (CAS: 21871-47-6) is a heterocyclic organic compound with the molecular formula C8H8N4S and a molecular weight of 192.24 g/mol. This tetrazole derivative serves as a valuable building block in organic synthesis, particularly in the development of novel chemical entities. Its structure offers reactive sites for further chemical modification, making it a key intermediate in various research and development applications within the chemical and pharmaceutical sectors.

Organic Synthesis Intermediate
Used as a versatile building block in the synthesis of more complex organic molecules. Its tetrazole ring and benzylthio substituent provide distinct reactivity for various chemical transformations.
Heterocyclic Chemistry
A key component in the study and construction of heterocyclic compounds. Its unique structural features are explored in the design of novel pharmaceuticals and materials.
Research and Development
Employed in R&D settings for the exploration of new chemical pathways and the creation of novel chemical entities with potential biological activity.
| Molecular weight | 192.24 |
|---|---|
| Empirical formula | C8H8N4S |
| Assay | ≥99.0% (HPLC) |
| Melting point | 135-138 °C (DSC-onset) |


Hazard statements
- 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) | Xi |
| Risk statements (R) | 36/37/38 |
| 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-(Benzylthio)-1H-tetrazole used for?
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5-(Benzylthio)-1H-tetrazole is primarily used as a building block and intermediate in organic synthesis, particularly in the fields of heterocyclic chemistry and pharmaceutical research and development.
What are the CAS number and molecular formula for 5-(Benzylthio)-1H-tetrazole?
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The CAS number for 5-(Benzylthio)-1H-tetrazole is 21871-47-6, and its molecular formula is C8H8N4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(Benzylthio)-1H-tetrazole with a purity of ≥99.0% (HPLC). This product is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
What are the safety considerations when handling 5-(Benzylthio)-1H-tetrazole?
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This compound is classified under GHS05 and GHS07 with a Danger signal word. It carries hazard statements H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves must be used. Handle in a well-ventilated area.
How is 5-(Benzylthio)-1H-tetrazole packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports fine chemicals globally, adhering to all necessary regulations to ensure safe and compliant delivery.
How can I request a sample or quote for 5-(Benzylthio)-1H-tetrazole?
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To request a sample or obtain a quote for 5-(Benzylthio)-1H-tetrazole, please contact our sales department through the website or direct inquiry channels.
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