4-Methoxybenzenesulfonamide
4-Methoxybenzenesulfonamide (CAS: 1129-26-6), with the molecular formula CH3OC6H4SO2NH2 and a molecular weight of 187.22 g/mol, is a key organic building block. This sulfonamide derivative serves as a valuable intermediate in various chemical synthesis pathways, particularly in the development of novel organic compounds. Its chemical structure lends itself to diverse reactions, making it a useful reagent for research and development in both academic and industrial settings.

Organic Synthesis Intermediate
4-Methoxybenzenesulfonamide is widely employed as a versatile building block in organic synthesis. It facilitates the construction of more complex molecules due to the reactive sulfonamide and methoxybenzene functionalities.
Pharmaceutical Research
This compound serves as a precursor or intermediate in the synthesis of potential pharmaceutical agents. Its structural features are explored in the development of new therapeutic compounds.
Material Science
The unique chemical properties of 4-Methoxybenzenesulfonamide can be leveraged in the design and synthesis of novel materials with specific electronic or structural characteristics.
| Molecular weight | 187.22 |
|---|---|
| Linear formula | CH3OC6H4SO2NH2 |
| Assay | 97% |
| Melting point | 111-115 °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 4-Methoxybenzenesulfonamide used for?
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4-Methoxybenzenesulfonamide (CAS: 1129-26-6) is primarily used as a building block in organic synthesis and as an intermediate in pharmaceutical research and material science.
What are the CAS number and chemical formula for 4-Methoxybenzenesulfonamide?
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The CAS number is 1129-26-6 and the chemical formula is CH3OC6H4SO2NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxybenzenesulfonamide with an assay of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What safety precautions should be taken when handling 4-Methoxybenzenesulfonamide?
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When handling 4-Methoxybenzenesulfonamide, it is essential to use safety measures including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if respiratory protection is needed. Refer to the safety data sheet for full handling instructions.
How is 4-Methoxybenzenesulfonamide packed, shipped, and exported?
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4-Methoxybenzenesulfonamide is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4-Methoxybenzenesulfonamide?
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To request a sample or a quote for 4-Methoxybenzenesulfonamide, please contact the Tech Serve Solutions sales team through our website or by phone.
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