5-(3-Pyridyl)-1H-tetrazole
5-(3-Pyridyl)-1H-tetrazole (CAS 3250-74-6), with the molecular formula C6H5N5 and a molecular weight of 147.14 g/mol, is a heterocyclic organic compound. This tetrazole derivative serves as a valuable building block in chemical synthesis. It is particularly useful in the development of novel compounds within pharmaceutical and agrochemical research due to its unique structural features.
- IUPAC
- 3-(1H-Tetrazol-5-yl)pyridine,5-β-Pyridyltetrazole
- Synonyms
- 3-(1H-Tetrazol-5-yl)pyridine5-β-Pyridyltetrazole

Organic Synthesis
Utilised as a key intermediate and building block in the synthesis of more complex organic molecules. Its tetrazole and pyridine moieties offer versatile reaction sites for various chemical transformations.
Pharmaceutical Research
Serves as a scaffold for the design and synthesis of potential drug candidates. The tetrazole ring is a common bioisostere for carboxylic acids, offering modified pharmacokinetic properties.
Agrochemical Development
Applied in the exploration of new pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for biological activity.
Materials Science
Investigated for potential applications in functional materials, owing to the nitrogen-rich structure of the tetrazole ring.
| Molecular weight | 147.14 |
|---|---|
| Empirical formula | C6H5N5 |
| Assay | 97% |
| Melting point | 238-242 (Decomposition) |


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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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-(3-Pyridyl)-1H-tetrazole used for?
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5-(3-Pyridyl)-1H-tetrazole is primarily used as a building block in organic synthesis, particularly in pharmaceutical and agrochemical research.
What is the CAS number and molecular formula for 5-(3-Pyridyl)-1H-tetrazole?
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The CAS number is 3250-74-6 and the molecular formula is C6H5N5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(3-Pyridyl)-1H-tetrazole with a minimum assay of 97%. This product is suitable for research and chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
How should 5-(3-Pyridyl)-1H-tetrazole be handled?
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5-(3-Pyridyl)-1H-tetrazole is classified as Danger. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, avoid breathing dust, ensure adequate ventilation, and wear eye protection.
Is 5-(3-Pyridyl)-1H-tetrazole shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-(3-Pyridyl)-1H-tetrazole.
How can I request a sample or quote for 5-(3-Pyridyl)-1H-tetrazole?
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To request a sample or a quote for 5-(3-Pyridyl)-1H-tetrazole, please contact our sales team through the website or via the provided contact details.
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