5,6-Dihydrobenzo[h]quinazolin-2-amine

5,6-二氢苯并[h]喹唑啉-2-胺

Also known as: 5,6-DIHYDROBENZO[H]QUINAZOLIN-2-AMINE, 5,6-dihydro-benzo[h]quinazolin-2-ylamine, 5,6-dihydrobenzo[h]quinazolin-2-ylamine, 5H,6H-Benzo[h]quinazolin-2-amine, ARQ-523, Benzo[h]quinazolin-2-amine, 5,6-dihydro-, 2-Amino-5,6-dihydrobenzo[h]quinazoline

5,6-Dihydrobenzo[h]quinazolin-2-amine (CAS 66521-84-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H11N3 and a molecular weight of 197.23600 g/mol. It is also known as 5,6-DIHYDROBENZO[H]QUINAZOLIN-2-AMINE, 5,6-dihydro-benzo[h]quinazolin-2-ylamine and 5,6-dihydrobenzo[h]quinazolin-2-ylamine. Key properties include a melting point of 193-196ºC, a boiling point of 447.8ºC at 760 mmHg, a density of 1.274g/cm3 and a flash point of 255.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66521-84-4
Jingsj CID
J-1466679-9
Molecular Formula
C12H11N3
Chinese Name
5,6-二氢苯并[h]喹唑啉-2-胺
Molecular Weight
197.23600 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point193-196ºC
Boiling Point447.8ºC at 760 mmHg
Density1.274g/cm3
Flash Point255.1ºC

Frequently Asked Questions

What is the CAS number of 5,6-Dihydrobenzo[h]quinazolin-2-amine?

The CAS number of 5,6-Dihydrobenzo[h]quinazolin-2-amine is 66521-84-4.

What are the molecular formula and molecular weight of 5,6-Dihydrobenzo[h]quinazolin-2-amine?

5,6-Dihydrobenzo[h]quinazolin-2-amine has molecular formula C12H11N3 and molecular weight 197.23600 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6-Dihydrobenzo[h]quinazolin-2-amine (CAS 66521-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466679-9 (accessed 2026-10-25).

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