Butalbital
[CAS Number 77-26-9] Butalbital is classified as a barbiturate. When combined with other medications such as acetaminophen or aspirin, butalbital is used to treat pain or combined with codeine to treat tension headaches. Butalbital is available as reference material (bulk powder and/or solution) and as calibrated, Ready-to-Use, certified reference material (CRM). This product is designed for use in qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications.