1,5-Dimethyl-1H-indole-2,3-dione
1,5-二甲基吲哚-2,3-二酮
Also known as: 1,5-Dimethylisatin, 1,5-Dimethylindole-2,3-dione, 1,5-Dimethyl-1H-indole-2,3-dione, 5-Methyl-N-methylindoline-2,3-dione
1,5-Dimethyl-1H-indole-2,3-dione (CAS 66440-60-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.18400 g/mol. It is also known as 1,5-Dimethylisatin, 1,5-Dimethylindole-2,3-dione and 5-Methyl-N-methylindoline-2,3-dione. Key properties include a boiling point of 326.1ºC at 760 mmHg, a density of 1.261g/cm3 and a flash point of 153.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66440-60-6
- Jingsj CID
- J-1514456-6
- Molecular Formula
- C10H9NO2
- Chinese Name
- 1,5-二甲基吲哚-2,3-二酮
- Molecular Weight
- 175.18400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 326.1ºC at 760 mmHg |
|---|---|
| Density | 1.261g/cm3 |
| Flash Point | 153.3ºC |
Frequently Asked Questions
What is the CAS number of 1,5-Dimethyl-1H-indole-2,3-dione?
The CAS number of 1,5-Dimethyl-1H-indole-2,3-dione is 66440-60-6.
What are the molecular formula and molecular weight of 1,5-Dimethyl-1H-indole-2,3-dione?
1,5-Dimethyl-1H-indole-2,3-dione has molecular formula C10H9NO2 and molecular weight 175.18400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5-Dimethyl-1H-indole-2,3-dione (CAS 66440-60-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514456-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.