3-Amino-2-methyl-4(3H)-quinazolinone

3-氨基-2-甲基-4(3H)-喹唑啉酮

Also known as: 2-Methyl-3-amino-4-quinazolone, 2-Methyl-3-amino-4-quinazolinone, 3-Amino-2-methyl-4(3H)-quinazolinone, 3-AMINO-2-METHYL-3 H-QUINAZOLIN-4-ONE, 3-AMINO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE, 3-AMINO-2-METHYL-4(3H)QUINAZOLINONE, 3-amino-2-methyl-3,4-dihydro-4-quinazolone, 3-amino-2-methyl-3,4-dihydroquinazolin-4-one, 3-amino-2-methyl-3-hydroquinazolin-4-one, 3-amino-2-methylquinazolin-4-one, AKOS AU36-M15, AKOS B028736, ASISCHEM W61338, IFLAB-BB F0307-0682, MFCD00114253

CAS No.: 1898-06-2
Jingsj CID: J-23686-5
Molecular Formula: C₉H₉N₃O
Chinese Name: 3-氨基-2-甲基-4(3H)-喹唑啉酮
Molecular Weight: 175.18700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	149-152 °C(lit.)
Boiling Point	348.1ºC at 760mmHg
Density	1.35g/cm3
Flash Point	164.4ºC

Frequently Asked Questions

What is the CAS number of 3-Amino-2-methyl-4(3H)-quinazolinone?

1898-06-2

What are the molecular formula and molecular weight of 3-Amino-2-methyl-4(3H)-quinazolinone?

C9H9N3O, molecular weight 175.18700 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026