Midazolam-d4 (maleate) (CRM) (Item No. 20199) is intended for use as an internal standard for the quantification of midazolam (Item Nos. 19391 | 16193) by GC- or LC-MS. Midazolam is used for sedation, to block seizures, and as an anticonvulsant antidote for organophosphate intoxication.1,2,3 This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.