2,3-Dioxoindoline-7-carboxylic acid
2,3-二氧吲哚林-7-羧酸
Also known as: 1H-Indole-7-carboxylic acid, 2,3-dihydro-2,3-dioxo-, 1H-indole-2,3-dione-7-carboxylic acid, 2,3-Dioxo-7-indolinecarboxylic acid, 2,3-dioxo-2,3-dihydro-1H-indole-7-carboxylic acid, 2,3-dioxo-1H-benzo[d]azolidine-7-carboxylic acid, Isatin-7-carboxylic acid, MFCD00612492
2,3-Dioxoindoline-7-carboxylic acid (CAS 25128-35-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5NO4 and a molecular weight of 191.140 g/mol. It is also known as 1H-Indole-7-carboxylic acid, 2,3-dihydro-2,3-dioxo-, 1H-indole-2,3-dione-7-carboxylic acid and 2,3-Dioxo-7-indolinecarboxylic acid. Key properties include a melting point of 268-275ºC and a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25128-35-2
- Jingsj CID
- J-1035430-6
- Molecular Formula
- C9H5NO4
- Chinese Name
- 2,3-二氧吲哚林-7-羧酸
- Molecular Weight
- 191.140 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 268-275ºC |
|---|---|
| Density | 1.6±0.1 g/cm3 |
Frequently Asked Questions
What is the CAS number of 2,3-Dioxoindoline-7-carboxylic acid?
The CAS number of 2,3-Dioxoindoline-7-carboxylic acid is 25128-35-2.
What are the molecular formula and molecular weight of 2,3-Dioxoindoline-7-carboxylic acid?
2,3-Dioxoindoline-7-carboxylic acid has molecular formula C9H5NO4 and molecular weight 191.140 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dioxoindoline-7-carboxylic acid (CAS 25128-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1035430-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.