1-pentyl-1H-indole-2,3-dione
Also known as: 1-amylisatin, 1-pentylindole-2,3-dione, 1-pentylindoline-2,3-dione, 1-pentylisatin, 1-pentyl-2,3-dihydro-1H-indole-2,3-dione, 1-pentylbenzo[d]azolidine-2,3-dione, 2,3-dihydro-1-pentyl-1H-indol-2,3-dione, 1H-Indole-2,3-dione, 1-pentyl-
1-pentyl-1H-indole-2,3-dione (CAS 4290-90-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H15NO2 and a molecular weight of 217.26400 g/mol. Key properties include a boiling point of 346.3ºC at 760mmHg, a density of 1.145g/cm3 and a flash point of 149.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4290-90-8
- Jingsj CID
- J-1144614-3
- Molecular Formula
- C13H15NO2
- Molecular Weight
- 217.26400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 346.3ºC at 760mmHg |
|---|---|
| Density | 1.145g/cm3 |
| Flash Point | 149.8ºC |
| Exact Mass | 217.11000 |
| PSA | 37.38000 |
| LogP | 2.47110 |
| Refractive Index | 1.554 |
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-pentyl-1H-indole-2,3-dione?
The CAS number of 1-pentyl-1H-indole-2,3-dione is 4290-90-8.
What are the molecular formula and molecular weight of 1-pentyl-1H-indole-2,3-dione?
1-pentyl-1H-indole-2,3-dione has molecular formula C13H15NO2 and molecular weight 217.26400 g/mol.
What are the upstream and downstream products of 1-pentyl-1H-indole-2,3-dione?
For 1-pentyl-1H-indole-2,3-dione, Upstream Products: 1-Bromopentane, isatin, Ethyl glyoxylate.
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-pentyl-1H-indole-2,3-dione (CAS 4290-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144614-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.