4,5-Ethylenedioxyindole
4,5-Ethylenedioxyindole (CAS: 111506-26-4) is a heterocyclic organic compound with the molecular formula C10H9NO2 and a molecular weight of 175.18 g/mol. This indole derivative serves as a valuable building block in chemical synthesis, particularly for the construction of more complex molecular architectures in research and development settings. Its unique structure lends itself to applications requiring specialized heterocyclic moieties.
- IUPAC
- 3,7-Dihydro-2H-[1,4]dioxino[2,3-e]indole
- Synonyms
- 3,7-Dihydro-2H-[1,4]dioxino[2,3-e]indole

Organic Synthesis
Utilised as a key intermediate and building block in the synthesis of novel organic molecules. Its indole core with ethylenedioxy substitution offers a versatile platform for further chemical transformations.
Medicinal Chemistry Research
Serves as a scaffold for the development of potential pharmaceutical agents. The indole structure is prevalent in many biologically active compounds, making this derivative of interest in drug discovery research.
Materials Science
Investigated for potential use in the creation of functional materials. Its specific electronic and structural properties may be beneficial for applications in areas such as organic electronics.
| Molecular weight | 175.18 |
|---|---|
| Empirical formula | C10H9NO2 |
| Assay | 98% |
| Melting point | 146-150 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| 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 4,5-Ethylenedioxyindole primarily used for?
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4,5-Ethylenedioxyindole is primarily used as a building block in organic synthesis and in medicinal chemistry research for the development of new compounds.
What is the CAS number and molecular formula for 4,5-Ethylenedioxyindole?
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The CAS number is 111506-26-4, and the molecular formula is C10H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Ethylenedioxyindole with an assay of 98%. It is suitable for research and chemical synthesis purposes. TSS does not represent this product as USP, BP, or EP grade.
How should 4,5-Ethylenedioxyindole be handled?
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4,5-Ethylenedioxyindole is classified as causing serious eye irritation (H319). When handling, wear protective gloves and eye protection, and if it gets into the eyes, rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Ensure good ventilation.
Is 4,5-Ethylenedioxyindole a controlled substance?
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Based on the provided data, there is no indication that 4,5-Ethylenedioxyindole is a controlled substance.
How is 4,5-Ethylenedioxyindole packed and shipped?
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This compound is packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for 4,5-Ethylenedioxyindole?
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To request a quote or sample, please contact our sales department through the website or by phone, providing the product name and CAS number (111506-26-4).
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