2-Iodobenzothiophene
2-Iodobenzothiophene (CAS: 36748-89-7), with the molecular formula C8H5IS and a molecular weight of 260.09 g/mol, is a halogenated heterocyclic compound. It serves as a valuable building block in organic synthesis. Its structure, featuring an iodine atom on the benzothiophene core, allows for diverse chemical transformations, making it useful in the development of novel organic molecules and materials. It is supplied by TSS with a minimum assay of 97%.
- IUPAC
- 2-Iodobenzo[b]thiophene

Organic Synthesis Intermediate
2-Iodobenzothiophene functions as a key intermediate in the synthesis of more complex organic molecules. The reactive iodine atom facilitates cross-coupling reactions and other transformations critical for constructing carbon-carbon and carbon-heteroatom bonds.
Pharmaceutical Research
This compound can be utilised in the early stages of drug discovery and development. Its heterocyclic scaffold and functionalization potential make it a useful starting material for creating novel pharmaceutical candidates with potential therapeutic activities.
Materials Science
As a benzothiophene derivative, 2-Iodobenzothiophene may be employed in the synthesis of organic electronic materials. Such materials are investigated for applications in areas like organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs).
| Molecular weight | 260.09 |
|---|---|
| Empirical formula | C8H5IS |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 58 - 63 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| 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 2-Iodobenzothiophene primarily used for?
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2-Iodobenzothiophene is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and materials science.
What is the CAS number and chemical formula for 2-Iodobenzothiophene?
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The CAS number is 36748-89-7, and the chemical formula is C8H5IS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Iodobenzothiophene with a minimum assay of 97%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeial standards.
What are the main safety hazards associated with 2-Iodobenzothiophene?
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2-Iodobenzothiophene is classified as harmful if swallowed (H302) and causes serious eye irritation (H319). It should be handled with appropriate personal protective equipment in a well-ventilated area.
How is 2-Iodobenzothiophene typically shipped and exported?
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Tech Serve Solutions, a global supplier and exporter, ships and exports chemicals like 2-Iodobenzothiophene according to international regulations for hazardous materials.
How can I request a sample or quote for 2-Iodobenzothiophene?
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To request a sample or quote for 2-Iodobenzothiophene, please contact our sales team through the details provided on our website.
What are the recommended storage conditions for 2-Iodobenzothiophene?
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2-Iodobenzothiophene should be stored at temperatures between 2-8°C.
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