Is Xanax a barbiturate?

Benzodiazepines, or benzos, include very familiar drugs, such as Xanax (alprazolam), Valium (diazepam), Ativan (lorazepam), Klonopin (clonazepam), and numerous others. … Both benzodiazepines and barbiturates are classified as controlled substances by the United States Drug Enforcement Administration (DEA).