2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide
2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide (CAS: 124170-23-6) is a fluorinated heterocyclic building block with the molecular formula C9H10FNO2S and a molecular weight of 215.24 g/mol. This compound serves as a valuable intermediate in organic synthesis, particularly in the development of novel molecules where precise fluorination and a benzisothiazole core are required. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- 2,3-Dihydro-3,3-dimethyl-2-fluoro-1,2-benzisothiazole 1,1-dioxide,N-Fluoro-2,α-cumenesultam
- Synonyms
- 2-benzisothiazole 1,1-dioxide,124170-23-6, C9H10FNO2S, 2,3-Dihydro-3,3-dimethyl-2-fluoro-1,2-benzisothiazole 1,1-dioxide, N-Fluoro-2,α-cumenesultam

Fluorinated Heterocyclic Synthesis
Utilised as a key building block in the synthesis of complex organic molecules containing a fluorinated benzisothiazole moiety. Its structure facilitates the introduction of specific functionalities in advanced chemical research.
Medicinal Chemistry Research
Serves as an intermediate in the exploration of new pharmaceutical agents. The fluorine atom and benzisothiazole scaffold can influence the pharmacokinetic and pharmacodynamic properties of potential drug candidates.
Materials Science
Potentially employed in the development of novel organic materials where its specific electronic and structural properties can be leveraged for advanced applications.
| Molecular weight | 215.24 |
|---|---|
| Empirical formula | C9H10FNO2S |
| Assay | ≥98.0% (F) |
| Melting point | 115-117 °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) | 26-36 |
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 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide used for?
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This compound is primarily used as a building block in organic synthesis, particularly for creating fluorinated heterocyclic compounds in medicinal chemistry and materials science research.
What are the CAS number and formula for this compound?
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The CAS number is 124170-23-6 and the molecular formula is C9H10FNO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of ≥98.0% (F). This product is intended for research and development purposes and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide be handled?
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Based on its GHS classification (Warning, H315-H319-H335), appropriate personal protective equipment including a dust mask (type N95), eyeshields, and gloves should be used. Avoid breathing dust/fume/gas/mist/vapours/spray and ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes.
Is this chemical a controlled substance?
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The provided data does not indicate that this chemical is a controlled substance.
How are Tech Serve Solutions products packed and shipped?
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Products are carefully packed to ensure safe transport and are exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the website or by phone, providing the product name and CAS number.
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