4-Iodo-1H-indole-2,3-dione
4-碘靛红
Also known as: 4-Iodoisatin, 4-Iodo-2,3-dihydro-1H-indole-2,3-dione, 4-iodoindoline-2,3-dione, 1H-Indole-2,3-dione, 4-iodo-, 4-Iodo-1H-indole-2,3-dione, 4-Jod-indolin-2,3-dion
4-Iodo-1H-indole-2,3-dione (CAS 20780-75-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H4INO2 and a molecular weight of 273.02700 g/mol. It is also known as 4-Iodoisatin, 4-Iodo-2,3-dihydro-1H-indole-2,3-dione and 4-iodoindoline-2,3-dione. Key property: a melting point of 227-229ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20780-75-0
- Jingsj CID
- J-1512574-5
- Molecular Formula
- C8H4INO2
- Chinese Name
- 4-碘靛红
- Molecular Weight
- 273.02700 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 227-229ºC |
|---|
Frequently Asked Questions
What is the CAS number of 4-Iodo-1H-indole-2,3-dione?
The CAS number of 4-Iodo-1H-indole-2,3-dione is 20780-75-0.
What are the molecular formula and molecular weight of 4-Iodo-1H-indole-2,3-dione?
4-Iodo-1H-indole-2,3-dione has molecular formula C8H4INO2 and molecular weight 273.02700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Iodo-1H-indole-2,3-dione (CAS 20780-75-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512574-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.