5-Chloro-2-fluorobenzenesulfonamide
5-Chloro-2-fluorobenzenesulfonamide (CAS: 351003-57-1) is a halogenated aromatic sulfonamide with the molecular formula ClC6H3(F)SO2NH2 and a molecular weight of 209.63 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of novel chemical entities. It is utilised in research and development settings for the construction of more complex molecules, contributing to advancements in chemical and materials science.

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis pathways. Its specific structure allows for targeted chemical transformations in the development of new compounds.
Chemical Research and Development
Employed in R&D laboratories for the exploration of novel chemical structures and reactions. It facilitates the synthesis of diverse organic molecules for various scientific investigations.
Building Block for Functional Materials
Serves as a foundational component for constructing more complex molecules with potential applications in material science. The presence of both chlorine and fluorine atoms offers unique reactivity.
| Molecular weight | 209.63 |
|---|---|
| Linear formula | ClC6H3(F)SO2NH2 |
| Melting point | 126-130 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Chloro-2-fluorobenzenesulfonamide used for?
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5-Chloro-2-fluorobenzenesulfonamide is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and chemical formula for 5-Chloro-2-fluorobenzenesulfonamide?
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The CAS number is 351003-57-1 and the chemical formula is ClC6H3(F)SO2NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. We do not specify a particular grade or purity beyond what is available and will not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for 5-Chloro-2-fluorobenzenesulfonamide?
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Appropriate personal protective equipment, including eyeshields and gloves, is recommended. A type N95 (US) or type P1 (EN143) respirator filter should be used when handling. The compound has a WGK Germany rating of 3, indicating a high level of hazard.
How is 5-Chloro-2-fluorobenzenesulfonamide packed, shipped, and exported?
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Tech Serve Solutions, as a global supplier and exporter, ensures that all products are packed and shipped in compliance with international regulations for chemical substances.
How can I request a sample or a quote for 5-Chloro-2-fluorobenzenesulfonamide?
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Please contact our sales team directly via our website or by phone to request a sample or a quotation for 5-Chloro-2-fluorobenzenesulfonamide.
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