Butabarbital (CRM) (Item No. 20088) is a certified reference material categorized as a barbiturate. It has a high abuse potential and increases risk of overdose morbidity and mortality in recreational drug users. Butabarbital is regulated as a Schedule III compound in the United States. Butabarbital (CRM) (Item No. 20088) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.