(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid
Also known as: 2-(1-Methyl-2-oxoindolin-3-yl)acetic acid, 1H-INDOLE-3-ACETIC ACID, 2,3-DIHYDRO-1-METHYL-2-OXO-, CBI-BB ZERO/004977, TIMTEC-BB SBB011097, CHEMBRDG-BB 4004159, ASINEX-REAG BAS 10144911, (1-methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid(SALTDATA: FREE)
(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid (CAS 21591-75-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3 and a molecular weight of 205.21000 g/mol. Key properties include a boiling point of 471.4ºC at 760 mmHg, a density of 1.296g/cm3 and a flash point of 238.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21591-75-3
- Jingsj CID
- J-1088552-6
- Molecular Formula
- C11H11NO3
- Molecular Weight
- 205.21000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 471.4ºC at 760 mmHg |
|---|---|
| Density | 1.296g/cm3 |
| Flash Point | 238.9ºC |
| Exact Mass | 205.07400 |
| PSA | 57.61000 |
| LogP | 1.28630 |
| Vapor Pressure | 1.09E-09mmHg at 25°C |
| Refractive Index | 1.585 |
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 (1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid?
The CAS number of (1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid is 21591-75-3.
What are the molecular formula and molecular weight of (1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid?
(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid has molecular formula C11H11NO3 and molecular weight 205.21000 g/mol.
What are the upstream and downstream products of (1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid?
For (1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid, Upstream Products: 1-Methyl-3-indoleacetic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid (CAS 21591-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088552-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.