α-hydroxy Alprazolam (Item No. 15287) is an analytical reference material categorized as a benzodiazepine. It is a major active metabolite of alprazolam (CRM) that has a higher urinary recovery than 4-hydroxy alprazolam , another major metabolite. α-hydroxy Alprazolam has a lower binding affinity than alprazolam for the GABAA receptor. It is also a metabolite of adinazolam . This product is intended for research and forensic applications.