1-(prop-2-yn-1-yl)-1H-indole-2,3-dione
1-(丙-2-炔-1-基)-1H-吲哚-2,3-二酮
Also known as: 1-(2-Propynyl)-1H-indole-2,3-dione, 1-prop-2-ynyl-1H-indole-2,3-dione, N-propargylisatin, 1-propargyl-1H-indole-2,3-dione, 1-(prop-2-yn-1-yl)indoline-2,3-dione, propynylindoledione
1-(prop-2-yn-1-yl)-1H-indole-2,3-dione (CAS 4290-87-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H7NO2 and a molecular weight of 185.17900 g/mol. It is also known as 1-(2-Propynyl)-1H-indole-2,3-dione, 1-prop-2-ynyl-1H-indole-2,3-dione and N-propargylisatin. Key properties include a melting point of 158-161ºC, a boiling point of 331ºC at 760mmHg, a density of 1.318g/cm3 and a flash point of 154.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4290-87-3
- Jingsj CID
- J-1360908-7
- Molecular Formula
- C11H7NO2
- Chinese Name
- 1-(丙-2-炔-1-基)-1H-吲哚-2,3-二酮
- Molecular Weight
- 185.17900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 158-161ºC |
|---|---|
| Boiling Point | 331ºC at 760mmHg |
| Density | 1.318g/cm3 |
| Flash Point | 154.4ºC |
Frequently Asked Questions
What is the CAS number of 1-(prop-2-yn-1-yl)-1H-indole-2,3-dione?
The CAS number of 1-(prop-2-yn-1-yl)-1H-indole-2,3-dione is 4290-87-3.
What are the molecular formula and molecular weight of 1-(prop-2-yn-1-yl)-1H-indole-2,3-dione?
1-(prop-2-yn-1-yl)-1H-indole-2,3-dione has molecular formula C11H7NO2 and molecular weight 185.17900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(prop-2-yn-1-yl)-1H-indole-2,3-dione (CAS 4290-87-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360908-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.