Notes: Acetaminophen (Item No. 22629) is an analytical reference material categorized as an analgesic and antipyretic agent.{42476,42477} Acetaminophen has been found as an adulterant in seized heroin samples.{59755} Formulations containing acetaminophen have been associated with overdoses.{54705} This product is intended for analytical forensic applications. This product is also available as a general research tool (Item No. 10024).