4-Azabenzimidazole
4-Azabenzimidazole (CAS: 273-21-2) is a heterocyclic organic compound with the molecular formula C6H5N3 and a molecular weight of 119.12 g/mol. This compound, also known as 1H-Imidazo[4,5-b]pyridine, serves as a valuable building block in chemical synthesis. It is widely used in the development of novel molecules and materials, particularly within the pharmaceutical and agrochemical industries. Its structural features lend themselves to diverse chemical transformations.
- IUPAC
- 1H-Imidazo[4,5-b]pyridine

Pharmaceutical Intermediate
4-Azabenzimidazole is employed as a key intermediate in the synthesis of various pharmaceutical compounds. Its structure is integral to developing potential therapeutic agents.
Agrochemical Research
This compound finds application in the research and development of new agrochemicals. It can be utilized as a building block for creating novel pesticides and herbicides.
Organic Synthesis
As a versatile heterocyclic building block, 4-Azabenzimidazole is used in general organic synthesis for constructing complex molecular architectures.
Material Science
The unique properties of 4-Azabenzimidazole may lend themselves to applications in material science, contributing to the development of novel functional materials.
| Molecular weight | 119.12 |
|---|---|
| Empirical formula | C6H5N3 |
| Assay | 99% |
| Melting point | 148-151 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Azabenzimidazole used for?
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4-Azabenzimidazole is primarily used as a building block in organic synthesis, particularly for developing pharmaceuticals and agrochemicals. It is also employed in material science research.
What is the CAS number and formula for 4-Azabenzimidazole?
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The CAS number for 4-Azabenzimidazole is 273-21-2, and its molecular formula is C6H5N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Azabenzimidazole with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 4-Azabenzimidazole be handled safely?
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4-Azabenzimidazole is classified as harmful if swallowed (H302). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling instructions.
Is 4-Azabenzimidazole a controlled substance?
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Based on the provided data, 4-Azabenzimidazole is not indicated as a controlled substance. For specific regulatory information, please consult your local authorities.
How is 4-Azabenzimidazole packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging is designed to ensure product integrity during transit. Please contact us for specific shipping details and international export capabilities.
How can I request a sample or quote for 4-Azabenzimidazole?
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To request a sample or obtain a quotation for 4-Azabenzimidazole, please use the contact form on our website or reach out to our sales department directly.
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