Description General description This stable-labeled internal standard is suitable for quantification of 8-hydroxy amoxapine by LC/MS or GC/MS for clinical toxicology, forensic analysis, urine drug testing, pharmaceutical research, or therapeutic drug monitoring. 8-Hydroxy Amoxapine is a major, active metabolite of the tetracyclic antidepressant amoxapine. Amoxopine is sold under trade names including Asendin;, Asendis;, Defanyl; and Demolox; for the treatment of major depressive disorder. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation