3-Methyl-2(1H)-quinoxalinone
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. 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-30632-1
- Molecular Formula
- C9H8N2O
- 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 |
| Exact Mass | 160.063660 |
| PSA | 46.01000 |
| LogP | 0.71 |
| Vapor Pressure | 3.04E-05mmHg at 25°C |
| Refractive Index | 1.644 |
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 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.
What are the upstream and downstream products of 3-Methyl-2(1H)-quinoxalinone?
For 3-Methyl-2(1H)-quinoxalinone, Upstream Products: Pyruvic acid, o-Phenylenediamine, Sodium pyruvate; Downstream Products: 2-Chloro-3-methylquinoxaline, 3-(Bromomethyl)quinoxalin-2(1H)-one, 1,3-Dimethylquinoxalin-2(1H)-one.
Data compiled from public chemical databases such as PubChem 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-30632-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.