7-chloroquinazolin-4(3H)-one
Also known as: 7-chloroquinazolin-4-ol, 4(1H)-Quinazolinone, 7-chloro-, 4(3H)-Quinazolinone, 7-chloro-, 7-Chloro-3H-quinazolin-4-one, 7-Chloro-4(1H)-quinazolinone, 7-Chloro-4-hydroxyquinazoline, 7-chloro-1H-quinazolin-4-one, 7-chloro-3,4-dihydro-4-oxo-quinazoline, 7-chloro-3,4-dihydroquinazolin-4-one, 7-chloro-3-hydroquinazolin-4-one, 7-chloro-4-quinazolinol, 7-chloroquinazolin-4(3H)-one
7-chloroquinazolin-4(3H)-one (CAS 31374-18-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2O and a molecular weight of 180.591 g/mol. Key properties include a melting point of 256 °C, a boiling point of 359.9±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 171.5±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31374-18-2
- Jingsj CID
- J-1345067-4
- Molecular Formula
- C8H5ClN2O
- Molecular Weight
- 180.591 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 256 °C |
|---|---|
| Boiling Point | 359.9±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 171.5±22.3 °C |
| Exact Mass | 180.009033 |
| PSA | 46.01000 |
| LogP | 1.15 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.710 |
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-chloroquinazolin-4(3H)-one?
The CAS number of 7-chloroquinazolin-4(3H)-one is 31374-18-2.
What are the molecular formula and molecular weight of 7-chloroquinazolin-4(3H)-one?
7-chloroquinazolin-4(3H)-one has molecular formula C8H5ClN2O and molecular weight 180.591 g/mol.
What are the upstream and downstream products of 7-chloroquinazolin-4(3H)-one?
For 7-chloroquinazolin-4(3H)-one, Upstream Products: 2-Amino-4-chlorobenzamide, Methanimidic acid, (Z)-, 2-Amino-4-chlorobenzoic acid; Downstream Products: 7-Chloro-6-nitroquinazolin-4(3H)-one, 4,7-Dichloro-6-nitroquinazoline, 4,7-Dichloroquinazoline.
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-chloroquinazolin-4(3H)-one (CAS 31374-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345067-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.