7-Methylquinazolin-4(3H)-one
Also known as: 7-Methyl-4(3H)-quinazolinone, 7-Methyl-4(1H)-quinazolinone, 7-Methylquinazolin-4(1H)-one, 7-methyl-1H-quinazolin-4-one, 4(3H)-Quinazolinone, 7-methyl-, 7-METHYL-1H-QUINAZOLIN-4-ONE, 7-METHYL-4(3H)-QUINAZOLINONE, 7-METHYLQUINAZOLIN-4(1H)-ONE, 7-methylquinazolin-4(3H)-one
7-Methylquinazolin-4(3H)-one (CAS 75844-40-5) is a compound in the Ketones 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 boiling point of 386.7±21.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 187.6±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75844-40-5
- Jingsj CID
- J-1081208-5
- Molecular Formula
- C9H8N2O
- Molecular Weight
- 160.173 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 386.7±21.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 187.6±22.1 °C |
| Exact Mass | 160.063660 |
| PSA | 45.75000 |
| LogP | 1.23 |
| Vapor Pressure | 0.0±0.9 mmHg 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 7-Methylquinazolin-4(3H)-one?
The CAS number of 7-Methylquinazolin-4(3H)-one is 75844-40-5.
What are the molecular formula and molecular weight of 7-Methylquinazolin-4(3H)-one?
7-Methylquinazolin-4(3H)-one has molecular formula C9H8N2O and molecular weight 160.173 g/mol.
What are the upstream and downstream products of 7-Methylquinazolin-4(3H)-one?
For 7-Methylquinazolin-4(3H)-one, Upstream Products: Formic Acid, 2-Amino-4-methylbenzamide, Methanimidic acid, (Z)-; Downstream Products: 6-Bromo-7-methylquinazolin-4(3H)-one, 4-Chloro-7-methylquinazoline, 6-bromo-7-methyl-8-nitroquinazolin-4(3H)-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. "7-Methylquinazolin-4(3H)-one (CAS 75844-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1081208-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.