4-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride
4-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride (CAS: 443955-61-1) is an organic compound with the molecular formula C9H8ClNO3S2 and a molecular weight of 277.75 g/mol. It serves as a valuable building block in chemical synthesis, particularly for the preparation of complex organic molecules and intermediates. Its sulfonyl chloride functionality allows for versatile derivatization in research and development settings.
- Synonyms
- 4-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of novel organic compounds. The sulfonyl chloride group is reactive and can be readily transformed into various other functional groups.
Pharmaceutical Research
It is employed as a building block in the discovery and development of new pharmaceutical agents. Its unique structure can be incorporated into potential drug candidates.
Chemical Building Block
Provides a versatile scaffold for constructing more complex molecules in academic and industrial research laboratories. It is useful for exploring new chemical space.
| Molecular weight | 277.75 |
|---|---|
| Empirical formula | C9H8ClNO3S2 |
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-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride used for?
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4-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride is primarily used as a building block and intermediate in organic synthesis, including pharmaceutical research and development.
What are the CAS number and formula for this compound?
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The CAS number is 443955-61-1 and the empirical formula (Hill notation) is C9H8ClNO3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay and grade are determined by lot and available specifications; it is not supplied as USP, BP, or EP grade.
How is this chemical shipped and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample?
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Please contact our sales team via the website to request a quote or a sample of 4-Oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-7-sulfonyl chloride.
What are the safety considerations for handling this chemical?
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Refer to the Safety Data Sheet (SDS) for comprehensive safety information. General precautions include handling in a well-ventilated area and avoiding contact with skin, eyes, and clothing.
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