3-amino-6-chloro-2-methyl-4-phenylquinazolin-4-ol

3-Amino-6-chloro-3,4-dihydro-2-methyl-4-phenyl-4-quinazolinol is a quinazolinol derivative which is useful as sedative, antidepressive, and antitrichomonas drugs. It is an Alprazolam impurity.