Quick view View Item O-Desmethyl Venlafaxine (CRM) (±)-O-Desmethyl Venlafaxine (CRM) (±)-O-Desmethyl venlafaxine (CRM) (Item No. 40325) is a certified reference material categorized as an antidepressant.1 (±)-O-Desmethyl venlafaxine is an active metabolite of venlafaxine (Item... Weight: 1.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: