1,5,6,7-Tetrahydro-4H-indol-4-one
Also known as: 4,5,6,7-Tetrahydro-4-oxoindole, 4-Oxo-4,5,6,7-tetrahydroindole, 4-Oxo-1,5,6,7-tetrahydroindole, 6,7-Dihydro-1H-indol-4(5H)-one, 1,5,6,7-Tetrahydro-4H-Indol-4-One, MFCD00075438
1,5,6,7-Tetrahydro-4H-indol-4-one (CAS 13754-86-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO and a molecular weight of 135.163 g/mol. Key properties include a melting point of 188-190 °C(lit.), a boiling point of 310.6±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 149.6±26.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13754-86-4
- Jingsj CID
- J-18734-8
- Molecular Formula
- C8H9NO
- Molecular Weight
- 135.163 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190 °C(lit.) |
|---|---|
| Boiling Point | 310.6±11.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 149.6±26.7 °C |
| Exact Mass | 135.068420 |
| PSA | 32.86000 |
| LogP | 1.14 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.592 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1,5,6,7-Tetrahydro-4H-indol-4-one?
The CAS number of 1,5,6,7-Tetrahydro-4H-indol-4-one is 13754-86-4.
What are the molecular formula and molecular weight of 1,5,6,7-Tetrahydro-4H-indol-4-one?
1,5,6,7-Tetrahydro-4H-indol-4-one has molecular formula C8H9NO and molecular weight 135.163 g/mol.
Is 1,5,6,7-Tetrahydro-4H-indol-4-one hazardous?
1,5,6,7-Tetrahydro-4H-indol-4-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,5,6,7-Tetrahydro-4H-indol-4-one?
For 1,5,6,7-Tetrahydro-4H-indol-4-one, Upstream Products: 6,7-Dihydro-4(5H)-benzofuranone, 1,3-Cyclohexanedione, Ethanolamine; Downstream Products: 1-methyl-4,5,6,7-tetrahydro-1H-indol-4-one, L-Tryptophan, 4,5,6,7-Tetrahydro-1H-indole-2-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5,6,7-Tetrahydro-4H-indol-4-one (CAS 13754-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18734-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.