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N,N-didesmethyl AH 7921 is an analytical reference standard that is structurally categorized as an opioid metabolite. It is a predominant metabolite of AH 7921 incubated with human liver microsomes that is also abundant in hydrolyzed urine case samples.¹ The physiological and toxicological properties of this compound are not known. This product is intended for research and forensic applications.

1. Wohlfarth, A., Scheidweiler, K.B., Pang, S., et al. Metabolic characterization of AH-7921, a synthetic opioid designer drug: In vitro metabolic stability assessment and metabolite identification, evaluation of in silico prediction, and in vivo confirmation Drug Test Anal. 8(8),779-791(2016).