3-Methyl-2(1H)-quinoxalinone
3-甲基-2(1H)-喹喔啉
Also known as: 3-Methyl-2-quinoxalinol, 3-Methylquinoxalin-2(1H)-one, 2-Hydroxy-3-methylquinoxaline, 3-Methyl-2-quinoxalone, 3-Methyl-1H-quinoxalin-2-one, 3-Methylquinoxalin-2-ol, 3-Methyl-2(1H)-quinoxalinone, 3-methyl-1,4-benzodiazine-2-one, 3-methyl-1,2-dihydroquinoxalin-2-one, USAF EL-7
3-Methyl-2(1H)-quinoxalinone (CAS 14003-34-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O and a molecular weight of 160.173 g/mol. It is also known as 3-Methyl-2-quinoxalinol, 3-Methylquinoxalin-2(1H)-one and 2-Hydroxy-3-methylquinoxaline. Key properties include a melting point of 246-248ºC(lit.), a boiling point of 345.6ºC at 760mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 162.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14003-34-0
- Jingsj CID
- J-30632-4
- Molecular Formula
- C9H8N2O
- Chinese Name
- 3-甲基-2(1H)-喹喔啉
- Molecular Weight
- 160.173 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 246-248ºC(lit.) |
|---|---|
| Boiling Point | 345.6ºC at 760mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 162.8ºC |
Frequently Asked Questions
What is the CAS number of 3-Methyl-2(1H)-quinoxalinone?
The CAS number of 3-Methyl-2(1H)-quinoxalinone is 14003-34-0.
What are the molecular formula and molecular weight of 3-Methyl-2(1H)-quinoxalinone?
3-Methyl-2(1H)-quinoxalinone has molecular formula C9H8N2O and molecular weight 160.173 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-2(1H)-quinoxalinone (CAS 14003-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30632-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.