5-Methylindolin-2-one
Also known as: 5-Methyloxindole, 5-Methyl-2-oxindole, 5-Methyl-2-oxyindole, 5-methyl-1,3-dihydro-2H-indol-2-one, 5-methyl-1,3-dihydroindol-2-one, 5-methyl-2-Indolinone, 5-methyl-2-indolinone, 5-methyl-indolin-2-one, 5-Methyl-2,3-dihydro-1H-indol-2-one
5-Methylindolin-2-one (CAS 3484-35-3) 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 melting point of 52-55ºC(lit.), a boiling point of 316.4±41.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 182.0±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3484-35-3
- Jingsj CID
- J-1525353-9
- 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
| Melting Point | 52-55ºC(lit.) |
|---|---|
| Boiling Point | 316.4±41.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 182.0±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 |
| Storage Conditions | 2-8°C |
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 5-Methylindolin-2-one?
The CAS number of 5-Methylindolin-2-one is 3484-35-3.
What are the molecular formula and molecular weight of 5-Methylindolin-2-one?
5-Methylindolin-2-one has molecular formula C9H9NO and molecular weight 147.174 g/mol.
What are the upstream and downstream products of 5-Methylindolin-2-one?
For 5-Methylindolin-2-one, Upstream Products: 5-Methylisatin, p-Toluidine, Chloroacetyl chloride; Downstream Products: 5-Methylisatin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methylindolin-2-one (CAS 3484-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525353-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.