3-Cyanobenzenesulfonamide
3-Cyanobenzenesulfonamide (CAS: 3118-68-1, C7H6N2O2S) is a versatile organic compound with a molecular weight of 182.20 g/mol. As a key building block in chemical synthesis, it features both a nitrile and a sulfonamide functional group, enabling diverse chemical transformations. This compound is primarily utilised in the research and development of new chemical entities and complex organic molecules, serving as a valuable intermediate for further synthetic elaboration.

Organic Synthesis Intermediate
3-Cyanobenzenesulfonamide serves as a critical intermediate in the synthesis of more complex organic molecules. Its dual functional groups allow for various chemical reactions, making it valuable in research and development settings.
Pharmaceutical Research
This compound is employed in the exploratory stages of drug discovery, contributing to the synthesis of novel chemical structures with potential therapeutic applications. Its sulfonamide moiety is a common feature in many pharmaceutical agents.
Material Science Exploration
Used in academic and industrial research for the development of new materials, where its specific structural features can impart desired properties to polymers or other advanced materials.
| Molecular weight | 182.20 |
|---|---|
| Empirical formula | C7H6N2O2S |
| Assay | 97% |
| Melting point | 151-156 °C |

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) | 7/9-22-24/25-26-36/37-38-51 |
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 3-Cyanobenzenesulfonamide used for?
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3-Cyanobenzenesulfonamide is used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the development of new chemical entities.
What are the CAS number and formula for 3-Cyanobenzenesulfonamide?
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The CAS number for 3-Cyanobenzenesulfonamide is 3118-68-1, and its empirical formula is C7H6N2O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Cyanobenzenesulfonamide with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Cyanobenzenesulfonamide be handled safely?
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Handling requires appropriate personal protective equipment, including a dust mask (e.g., N95), eyeshields, and gloves. Ensure good ventilation, as it can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 3-Cyanobenzenesulfonamide available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Cyanobenzenesulfonamide, adhering to international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 3-Cyanobenzenesulfonamide, please contact our sales team through the website or by phone, providing your specific requirements.
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