2-oxoindoline-6-carboxylic acid
Also known as: 2,3-dihydro-2-oxo-1H-indole-6-carboxylic acid, 2-oxo-2,3-dihydro-1H-indole-6-carboxylic acid, 6-carboxyoxindole, 2-oxindole-6-carboxylic acid, oxindole-6-carboxylic acid, 2-oxo-6-indolinecarboxylic acid, 1H-indole-6-carboxylic acid, 2,3-dihydro-2-oxo-
2-oxoindoline-6-carboxylic acid (CAS 334952-09-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO3 and a molecular weight of 177.157 g/mol. Key properties include a boiling point of 438.1±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 218.8±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 334952-09-9
- Jingsj CID
- J-1444151-1
- Molecular Formula
- C9H7NO3
- Molecular Weight
- 177.157 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 438.1±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 218.8±28.7 °C |
| Exact Mass | 177.042587 |
| PSA | 66.40000 |
| LogP | 1.39 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.635 |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-oxoindoline-6-carboxylic acid?
The CAS number of 2-oxoindoline-6-carboxylic acid is 334952-09-9.
What are the molecular formula and molecular weight of 2-oxoindoline-6-carboxylic acid?
2-oxoindoline-6-carboxylic acid has molecular formula C9H7NO3 and molecular weight 177.157 g/mol.
What are the upstream and downstream products of 2-oxoindoline-6-carboxylic acid?
For 2-oxoindoline-6-carboxylic acid, Upstream Products: 4-(Carboxymethyl)-3-nitrobenzoic acid, Ethyl 2-oxoindoline-6-carboxylate, Methyl 2-oxoindole-6-carboxylate; Downstream Products: Methyl 2-oxoindole-6-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-oxoindoline-6-carboxylic acid (CAS 334952-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1444151-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.