Butalbital-d5 (CRM) (Item No. 20092) is a certified reference material intended for use as an internal standard for the quantification of butalbital (Item Nos. 15788 | 20091) by GC- or LC-MS. Butalbital is categorized as a barbiturate. Butalbital is regulated as a Schedule III compound in the United States. Butalbital-d5 (CRM) (Item No. 20092) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.
