4-Fluorobenzylsulfonyl chloride
4-Fluorobenzylsulfonyl chloride (CAS: 103360-04-9) is an organic compound with the molecular formula C7H6ClFO2S and a molecular weight of 208.64 g/mol. This aryl fluorinated building block serves as a valuable intermediate in organic synthesis. It is primarily utilised in the chemical industry for the creation of more complex molecules, particularly in the development of novel compounds within pharmaceutical and agrochemical research. Tech Serve Solutions supplies this reagent at a standard assay of 97%.

Organic Synthesis Intermediate
4-Fluorobenzylsulfonyl chloride is a key building block for introducing the 4-fluorobenzylsulfonyl moiety into organic molecules. Its reactivity makes it suitable for various coupling and derivatization reactions in the synthesis of fine chemicals and advanced intermediates.
Pharmaceutical Research
This compound finds application in medicinal chemistry for the preparation of potential drug candidates. The fluorinated aromatic ring can influence pharmacokinetic properties and receptor binding affinity in biologically active molecules.
Agrochemical Development
It can be employed in the synthesis of new agrochemicals, contributing to the development of pesticides and herbicides. The presence of fluorine can enhance the efficacy and metabolic stability of such compounds.
| Molecular weight | 208.64 |
|---|---|
| Empirical formula | C7H6ClFO2S |
| Assay | 97% |
| Melting point | 60-61 °C |


Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Flash point | 107 °C / 224.6 °F |
| Transport (UN / ADR) | UN 3261 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| 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 4-Fluorobenzylsulfonyl chloride used for?
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4-Fluorobenzylsulfonyl chloride is used as a building block in organic synthesis, particularly in the development of intermediates for pharmaceuticals and agrochemicals.
What is the CAS number and chemical formula for 4-Fluorobenzylsulfonyl chloride?
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The CAS number is 103360-04-9, and the chemical formula is C7H6ClFO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluorobenzylsulfonyl chloride with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Fluorobenzylsulfonyl chloride be handled safely?
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4-Fluorobenzylsulfonyl chloride is a corrosive substance that can cause severe skin burns and eye damage, and may be harmful if swallowed. Always wear appropriate personal protective equipment, including eyeshields, gloves, and protective clothing. Ensure adequate ventilation and handle with extreme caution.
Is 4-Fluorobenzylsulfonyl chloride a controlled substance?
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Based on the provided data, there is no indication that 4-Fluorobenzylsulfonyl chloride is a controlled substance.
How is 4-Fluorobenzylsulfonyl chloride packed, shipped, and exported?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures that all products, including 4-Fluorobenzylsulfonyl chloride, are packed and shipped in compliance with international regulations for hazardous materials. Documentation for export is handled by our experienced logistics team.
How can I request a quote or sample for 4-Fluorobenzylsulfonyl chloride?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (103360-04-9).
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