3-Hydrazino-1,2-benzisothiazole 1,1-dioxide
3-Hydrazino-1,2-benzisothiazole 1,1-dioxide (CAS 6635-42-3) is a chemical compound with a molecular weight of 197.21 g/mol. As a heterocyclic building block, it serves as a valuable intermediate in organic synthesis. Its structure, featuring a benzisothiazole core with a hydrazino substituent, makes it useful in the development of new chemical entities within research and development settings.
- Synonyms
- 6635-42-3C7H7N3O2S

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of more complex organic molecules. Its unique structural features allow for diverse chemical transformations in the development of novel compounds.
Heterocyclic Chemistry
A key component in heterocyclic synthesis, particularly for compounds containing the benzisothiazole moiety. Useful in academic research and industrial R&D for exploring new chemical space.
Pharmaceutical Research
Serves as a precursor in the research and development of potential pharmaceutical agents. Its structure may be incorporated into molecules designed for biological activity.
| Molecular weight | 197.21 |
|---|---|
| Empirical formula | C7H7N3O2S |
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 3-Hydrazino-1,2-benzisothiazole 1,1-dioxide used for?
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3-Hydrazino-1,2-benzisothiazole 1,1-dioxide is primarily used as a building block in organic synthesis and heterocyclic chemistry, particularly in research and development settings for the creation of novel chemical entities and potential pharmaceutical agents.
What is the CAS number and formula for this compound?
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The CAS number is 6635-42-3, and the empirical formula is C7H7N3O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a research or technical grade material. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise in the product specifications.
What are the safety and handling considerations for 3-Hydrazino-1,2-benzisothiazole 1,1-dioxide?
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Specific safety data is required for detailed handling instructions. Always consult the Safety Data Sheet (SDS) prior to use. General precautions for handling chemical reagents include working in a well-ventilated area, wearing appropriate personal protective equipment (gloves, eye protection), and avoiding inhalation or contact with skin and eyes.
Is 3-Hydrazino-1,2-benzisothiazole 1,1-dioxide a controlled substance?
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The provided data does not indicate that 3-Hydrazino-1,2-benzisothiazole 1,1-dioxide is a controlled substance.
How can I request a sample or quote for 3-Hydrazino-1,2-benzisothiazole 1,1-dioxide?
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To request a sample or a quote, please contact our sales department via the contact form on our website or by calling us directly. Please include the product name and CAS number (6635-42-3) in your request.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packages chemicals according to industry standards and regulatory requirements for safe transport. We export globally and can provide details on packaging and shipping specific to your order and destination upon request.
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