6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one
Also known as: 6-Hydroxy-7-methoxyquinazolin-4(3H)-one, 6-Hydroxy-7-methoxyquinazolin-4(1H)-one, 6-Hydroxy-7-methoxy-3H-quinazolin-4-one, 6-Hydroxy-7-methoxy-4(3H)-quinazolinone, Gefitinib intermediate III, 7-Methoxyquinazoline-4,6-diol, 4(3H)-Quinazolinone, 6-hydroxy-7-methoxy-, 6-Hydroxy-7-methoxy-1H-quinazolin-4-one
6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one (CAS 179688-52-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O3 and a molecular weight of 192.171 g/mol. Key properties include a melting point of 291 °C, a boiling point of 503.3±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 258.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 179688-52-9
- Jingsj CID
- J-1390714-7
- Molecular Formula
- C9H8N2O3
- Molecular Weight
- 192.171 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 291 °C |
|---|---|
| Boiling Point | 503.3±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 258.2±27.3 °C |
| Exact Mass | 192.053497 |
| PSA | 75.21000 |
| LogP | -0.26 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.659 |
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 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one?
The CAS number of 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one is 179688-52-9.
What are the molecular formula and molecular weight of 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one?
6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one has molecular formula C9H8N2O3 and molecular weight 192.171 g/mol.
What are the upstream and downstream products of 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one?
For 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one, Upstream Products: 6,7-Dimethoxyquinazolin-4(3H)-one, Methyl 2-amino-5-hydroxy-4-methoxybenzoate, Methanimidic acid, (Z)-; Downstream Products: 4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl acetate, 3,4-dihydro-7-methoxy-4-oxoquinazolin-6-yl acetate, 4-[(3-Chloro-4-fluorophenyl)amino]-7-methoxyquinazolin-6-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one (CAS 179688-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390714-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.