1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one
Also known as: 1-Methyl-1,5,6,7-tetrahydro-4H-indol-4-one, 1-Methyl-6,7-dihydro-1H-indol-4(5H)-one, 1-Methyl-6,7-dihydroindol-4(5H)-one, 6,7-dihydro-1-methyl-1H-indol-4(5H)-one, NSC 131678, 4H-Indol-4-one, 1,5,6,7-tetrahydro-1-methyl-
1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 51471-08-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11NO and a molecular weight of 149.190 g/mol. Key properties include a melting point of 84-86ºC, a boiling point of 276.1±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 120.8±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51471-08-0
- Jingsj CID
- J-1354274-0
- Molecular Formula
- C9H11NO
- Molecular Weight
- 149.190 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 84-86ºC |
|---|---|
| Boiling Point | 276.1±9.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 120.8±18.7 °C |
| Exact Mass | 149.084061 |
| PSA | 22.00000 |
| LogP | 1.60 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.599 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one?
The CAS number of 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one is 51471-08-0.
What are the molecular formula and molecular weight of 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one?
1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one has molecular formula C9H11NO and molecular weight 149.190 g/mol.
What are the upstream and downstream products of 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one?
For 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one, Upstream Products: 6,7-Dihydro-4(5H)-benzofuranone, 1,3-Cyclohexanedione, 2,2-Dimethoxy-N-methylethanamine.
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-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 51471-08-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354274-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.