Phenazepam is an anxiolytic and hypnotic sedative. 3-hydroxy Phenazepam is a major metabolite of phenazepam. There are significant differences in the rate of phenazepam metabolism in different species, so that 3-hydroxy phenazepam can be detected shortly after oral administration of the parent compound in cats, rats, and dogs but not in humans. The physiological and toxicological properties of this compound are not known. This product is intended for forensic and research applications. This product is a qualified Reference Material (RM) that has been manufactured and tested to meet ISO17025 and Guide 34 guidelines. These materials are tested using validated analytical methods on qualified instrumentation to ensure traceability of measurements. All traceable RMs may be distinguished by their CofAs and can be downloaded below using the batch number located on the product label. For a representative CofA please contact our technical support.