2-Acetylbenzothiophene
2-Acetylbenzothiophene (CAS 22720-75-8, C10H8OS) is a heterocyclic organic compound with a molecular weight of 176.23 g/mol. It serves as a key starting material in benzothiophene chemistry, facilitating the synthesis of more complex molecules. Supplied by Tech Serve Solutions at a typical assay of 97%, this compound is valuable for research and development in organic synthesis and medicinal chemistry.
- IUPAC
- 1-Benzo[b]thiophen-2-yl-ethanone
- Synonyms
- 1-Benzo[b]thiophen-2-yl-ethanone

Benzothiophene Chemistry Starter
2-Acetylbenzothiophene acts as a fundamental building block in the synthesis of various benzothiophene derivatives. Its structure allows for further chemical modifications, making it a versatile intermediate in organic synthesis.
Heterocyclic Synthesis
As a heterocyclic compound, it is employed in the construction of more elaborate molecular frameworks. This is particularly relevant in the development of novel compounds for pharmaceutical and material science research.
Chemical Research and Development
Utilised in academic and industrial R&D settings for exploring new chemical reactions and creating target molecules. Its specific reactivity profile makes it suitable for investigating diverse synthetic pathways.
| Molecular weight | 176.23 |
|---|---|
| Empirical formula | C10H8OS |
| Assay | 97% |
| Application | Starter in benzothiophene chemistry.1 |
| Melting point | 86-90 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Acetylbenzothiophene used for?
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2-Acetylbenzothiophene is primarily used as a starter material in benzothiophene chemistry and for general chemical synthesis and research and development.
What are the CAS number and molecular formula for 2-Acetylbenzothiophene?
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The CAS number is 22720-75-8, and the molecular formula is C10H8OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Acetylbenzothiophene with a minimum assay of 97%. This product is intended for research and laboratory use; it is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety concerns when handling 2-Acetylbenzothiophene?
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2-Acetylbenzothiophene is classified as harmful if swallowed (H302). It is recommended to use a dust mask (type N95), eyeshields, and gloves when handling. Ensure adequate ventilation.
How is 2-Acetylbenzothiophene packed and shipped?
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Products are carefully packed according to international shipping regulations for chemical compounds. Tech Serve Solutions is an experienced global exporter of fine chemicals.
How can I request a sample or quote for 2-Acetylbenzothiophene?
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To request a sample or a quotation, please use the contact form on our website or contact our sales team directly, providing your specific requirements.
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