2,3-dioxo-1H-indole-5-sulfonic acid
靛红-5-磺酸
Also known as: Isatin-5-sulfonic acid, 5-Sulfoisatin, 2,3-dioxoindoline-5-sulfonic acid, 2,3-dioxo-2,3-dihydro-1H-indole-5-sulfonic acid, 2,3-Dioxo-5-indolinesulfonic acid, 1H-indole-2,3-dione-5-sulfonic acid, Isatin sulfonic acid
- CAS No.
- 7313-70-4
- Jingsj CID
- J-1132506-8
- Molecular Formula
- C8H5NO5S
- Chinese Name
- 靛红-5-磺酸
- Molecular Weight
- 227.19400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 143ºC |
|---|---|
| Density | 1.743g/cm3 |
Frequently Asked Questions
What is the CAS number of 2,3-dioxo-1H-indole-5-sulfonic acid?
7313-70-4
What are the molecular formula and molecular weight of 2,3-dioxo-1H-indole-5-sulfonic acid?
C8H5NO5S, molecular weight 227.19400 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026