5-Bromo-2-methoxybenzenesulfonyl chloride
5-Bromo-2-methoxybenzenesulfonyl chloride (CAS: 23095-05-8; Formula: BrC6H3(OCH3)SO2Cl) is a chemical intermediate supplied by Tech Serve Solutions. With a molecular weight of 285.54 g/mol, this sulfonyl halide serves as a valuable building block in organic synthesis. It is typically used in the preparation of more complex molecules for research and development purposes within the chemical and pharmaceutical industries. Stored under refrigeration at 2-8°C, it is essential for various chemical transformations.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds. Its reactive sulfonyl chloride group allows for facile derivatisation in the creation of novel molecules.
Pharmaceutical Research
Utilised in the development of new pharmaceutical candidates. The compound's structure can be incorporated into potential drug molecules for various therapeutic targets.
Material Science
Can be employed in the synthesis of specialised materials. Its functional groups may be leveraged to impart specific properties to polymers or other advanced materials.
| Molecular weight | 285.54 |
|---|---|
| Linear formula | BrC6H3(OCH3)SO2Cl |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 115-118 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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-Bromo-2-methoxybenzenesulfonyl chloride used for?
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5-Bromo-2-methoxybenzenesulfonyl chloride is primarily used as a building block in organic synthesis and for research in pharmaceutical development.
What is the CAS number and formula for 5-Bromo-2-methoxybenzenesulfonyl chloride?
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The CAS number is 23095-05-8, and the molecular formula is BrC6H3(OCH3)SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromo-2-methoxybenzenesulfonyl chloride with a minimum assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
What are the primary safety concerns when handling this chemical?
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This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used.
How is 5-Bromo-2-methoxybenzenesulfonyl chloride shipped and exported?
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This chemical is shipped as UN 3261, Class 8, Packing Group II, in compliance with international regulations for hazardous materials transport. Tech Serve Solutions is experienced in global export.
How can I request a sample or quote for 5-Bromo-2-methoxybenzenesulfonyl chloride?
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To request a sample or obtain a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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