4-oxo-3,4-dihydroquinazoline-2-carbohydrazide

4-氧代-3,4-二氢喹唑啉-2-羧酸肼

Also known as: 2-hydrazinocarbonyl-4-chinazolon, 2-hydrazinocarbonylquinazolin-4(3H)-one, 4-oxo-3,4-dihydro-quinazoline-2-carboxylic acid hydrazide, 4-oxo-1H-quinazoline-2-carbohydrazide, 4-oxo-3,4-dihydroquinazoline-2-carbohydrazide, 4-oxoquinazoline-2-carboxylic acid hydrazide, quinazol-4-one-2-carboxylic acid hydrazide

4-oxo-3,4-dihydroquinazoline-2-carbohydrazide (CAS 34632-71-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8N4O2 and a molecular weight of 204.18500 g/mol. It is also known as 2-hydrazinocarbonyl-4-chinazolon, 2-hydrazinocarbonylquinazolin-4(3H)-one and 4-oxo-3,4-dihydro-quinazoline-2-carboxylic acid hydrazide. Key property: a density of 1.62g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34632-71-8
Jingsj CID
J-1024087-2
Molecular Formula
C9H8N4O2
Chinese Name
4-氧代-3,4-二氢喹唑啉-2-羧酸肼
Molecular Weight
204.18500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.62g/cm3

Frequently Asked Questions

What is the CAS number of 4-oxo-3,4-dihydroquinazoline-2-carbohydrazide?

The CAS number of 4-oxo-3,4-dihydroquinazoline-2-carbohydrazide is 34632-71-8.

What are the molecular formula and molecular weight of 4-oxo-3,4-dihydroquinazoline-2-carbohydrazide?

4-oxo-3,4-dihydroquinazoline-2-carbohydrazide has molecular formula C9H8N4O2 and molecular weight 204.18500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-oxo-3,4-dihydroquinazoline-2-carbohydrazide (CAS 34632-71-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1024087-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.