5-Iodoisatin
5-Iodoisatin (CAS: 20780-76-1; Formula: C8H4INO2; Molar Mass: 273.03 g/mol) is a halogenated heterocyclic building block. This indole derivative serves as a valuable intermediate in organic synthesis, particularly for the construction of complex molecules. Its utility spans research and development across various chemical disciplines, enabling the creation of novel compounds with potential applications in materials science and medicinal chemistry.

Organic Synthesis Intermediate
5-Iodoisatin is frequently employed as a key building block in the synthesis of more complex organic molecules. Its structure allows for various chemical modifications, making it a versatile precursor in multi-step syntheses.
Research and Development
This compound finds application in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. It is particularly useful in heterocyclic chemistry and indole functionalization studies.
Materials Science
The unique electronic and structural properties of 5-iodoisatin derivatives make them candidates for investigation in materials science, potentially for applications in organic electronics or functional materials.
| Molecular weight | 273.03 |
|---|---|
| Empirical formula | C8H4INO2 |
| Grade | technical grade |
| Melting point | 276-280 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| Safety statements (S) | 26-36 |
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 5-Iodoisatin used for?
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5-Iodoisatin is primarily used as an intermediate in organic synthesis and in research and development for creating novel chemical compounds, particularly within heterocyclic and indole chemistry.
What are the CAS number and formula for 5-Iodoisatin?
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The CAS number for 5-Iodoisatin is 20780-76-1, and its empirical formula is C8H4INO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Iodoisatin in technical grade. We do not represent it as USP, BP, or EP grade.
How should 5-Iodoisatin be handled safely?
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5-Iodoisatin is classified as harmful if swallowed and causes skin, eye, and respiratory irritation, and may cause an allergic skin reaction. Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, should be used. Handle in a well-ventilated area.
How is 5-Iodoisatin packed, shipped, and exported?
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Tech Serve Solutions securely packs and ships 5-Iodoisatin, adhering to all relevant international regulations for chemical export. Please contact us for specific shipping details.
How can I request a quote or sample for 5-Iodoisatin?
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To request a quote or sample for 5-Iodoisatin, please use the contact form on our website or reach out to our sales team directly with your requirements.
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