4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid

Also known as: 3,4-Dihydro-4-oxo-7-quinazolinecarboxylic acid, 3,4-Dihydro-4-oxoquinazoline-7-carboxylic acid, 4-Oxo-1,4-dihydroquinazoline-7-carboxylic acid, 4-oxo-1H-quinazoline-7-carboxylic acid, 7-Carboxy-4-quinazolone, 7-Quinazolinecarboxylic acid, 3,4-dihydro-4-oxo-

4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 202197-73-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O3 and a molecular weight of 190.15600 g/mol. Key properties include a boiling point of 540.598ºC at 760 mmHg and a density of 1.562 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 202197-73-7
Jingsj CID: J-1055721-8
Molecular Formula: C₉H₆N₂O₃
Molecular Weight: 190.15600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	540.598ºC at 760 mmHg
Density	1.562 g/cm3
Exact Mass	190.03800
PSA	83.05000
LogP	0.62130

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 4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid?

The CAS number of 4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid is 202197-73-7.

What are the molecular formula and molecular weight of 4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid?

4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid has molecular formula C9H6N2O3 and molecular weight 190.15600 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 202197-73-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055721-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.