6-Acetyl-2(3H)-benzothiazolone
6-Acetyl-2(3H)-benzothiazolone (CAS 133044-44-7) is a heterocyclic organic compound with the molecular formula C9H7NO2S and a molecular weight of 193.22 g/mol. It is supplied by Tech Serve Solutions with an assay of 97%. This compound serves as a valuable building block in chemical synthesis, particularly within the realm of thiazole derivatives and other complex heterocyclic structures for research and development purposes.

Chemical Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its benzothiazolone core and acetyl group offer reactive sites for further chemical modifications.
Heterocyclic Chemistry Research
It is employed in academic and industrial research laboratories for the development of novel heterocyclic compounds, including those with potential biological activity or material science applications.
Building Block for Fine Chemicals
As a C8 to C9 heterocyclic building block, it is utilised in the construction of diverse chemical entities for various specialised applications.
| Molecular weight | 193.22 |
|---|---|
| Empirical formula | C9H7NO2S |
| Assay | 97% |
| Impurities tested | ~2.8 wt. % methanol |
| Melting point | 190-194 °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 |
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 6-Acetyl-2(3H)-benzothiazolone used for?
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6-Acetyl-2(3H)-benzothiazolone is primarily used as a building block and intermediate in chemical synthesis, particularly for the creation of novel heterocyclic compounds and in research related to thiazole derivatives.
What is the CAS number and molecular formula for 6-Acetyl-2(3H)-benzothiazolone?
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The CAS number is 133044-44-7, and the molecular formula is C9H7NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Acetyl-2(3H)-benzothiazolone with an assay of 97%. This is a technical grade product, and TSS does not represent it as USP, BP, or EP grade.
How should 6-Acetyl-2(3H)-benzothiazolone be handled safely?
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It is classified with GHS07 symbol and a Warning signal word, with hazard statements H315, H319, and H335. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Always consult the Safety Data Sheet before handling.
Is 6-Acetyl-2(3H)-benzothiazolone available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 6-Acetyl-2(3H)-benzothiazolone, adhering to international shipping regulations.
How can I request a quote or sample for 6-Acetyl-2(3H)-benzothiazolone?
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To request a quote or sample, please contact our sales team via the website or email, providing your contact details and the product name or CAS number.
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