4-Methylindolin-2-one
Also known as: 4-Methyloxindole, 4-Methyl-2-oxindole, 4-Methyl-1,3-dihydro-2H-indol-2-one, 4-Methyl-1,3-dihydroindol-2-one, 2H-Indol-2-one, 1,3-dihydro-4-methyl-, 1,3-dihydro-4-methyl-2H-indol-2-one, 4-methyl-2-oxo-1,2-dihydro-indole
4-Methylindolin-2-one (CAS 13220-46-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.174 g/mol. Key properties include a boiling point of 318.4±41.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 183.3±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13220-46-7
- Jingsj CID
- J-1563247-0
- Molecular Formula
- C9H9NO
- Molecular Weight
- 147.174 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 318.4±41.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 183.3±12.6 °C |
| Exact Mass | 147.068420 |
| PSA | 29.10000 |
| LogP | 1.61 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.576 |
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 4-Methylindolin-2-one?
The CAS number of 4-Methylindolin-2-one is 13220-46-7.
What are the molecular formula and molecular weight of 4-Methylindolin-2-one?
4-Methylindolin-2-one has molecular formula C9H9NO and molecular weight 147.174 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylindolin-2-one (CAS 13220-46-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1563247-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.