5-Chlorobenzofurazan 3-oxide
5-Chlorobenzofurazan 3-oxide (CAS: 39060-31-6), with the molecular formula C6H3ClN2O2 and a molecular weight of 170.55 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of halogenated heterocycles and oxadiazole derivatives. Its structure lends itself to various chemical transformations, making it a useful intermediate for researchers and chemists.

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its reactive sites allow for diverse chemical modifications, enabling the construction of novel structures for research and development purposes.
Heterocyclic Chemistry Research
As a halogenated benzofurazan derivative, it is employed in studies involving heterocyclic chemistry. Researchers utilise it to explore reaction pathways and develop new synthetic methodologies for heterocyclic compounds.
Fine Chemical Synthesis
It is utilized in the production of fine chemicals, where its specific structural features are required for targeted synthesis of speciality compounds and advanced intermediates.
| Molecular weight | 170.55 |
|---|---|
| Empirical formula | C6H3ClN2O2 |
| Assay | 97% |
| Melting point | 47-48 °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 5-Chlorobenzofurazan 3-oxide used for?
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5-Chlorobenzofurazan 3-oxide is primarily used as a building block and intermediate in organic synthesis, particularly within heterocyclic and fine chemical research and production.
What are the CAS number and formula for 5-Chlorobenzofurazan 3-oxide?
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The CAS number for 5-Chlorobenzofurazan 3-oxide is 39060-31-6, and its molecular formula is C6H3ClN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chlorobenzofurazan 3-oxide with an assay of 97%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, or EP grade.
How should 5-Chlorobenzofurazan 3-oxide be handled safely?
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5-Chlorobenzofurazan 3-oxide is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
Is 5-Chlorobenzofurazan 3-oxide a controlled substance?
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Based on the provided data, 5-Chlorobenzofurazan 3-oxide is not indicated as a controlled substance.
How is 5-Chlorobenzofurazan 3-oxide packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details for 5-Chlorobenzofurazan 3-oxide are available upon request, adhering to international shipping regulations.
How can I request a sample or quote for 5-Chlorobenzofurazan 3-oxide?
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To request a sample or a quote for 5-Chlorobenzofurazan 3-oxide, please contact our sales department through the website or direct inquiry channels.
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