Diclazepam (also known as Chlorodiazepam) is a synthetic depressant substance of the benzodiazepine chemical class that produces effects similar to diazepam, such as anxiety suppression, disinhibition, anticonvulsant, hypnotic, muscle relaxing, and amnesia when administered.

Diclazepam powder, also known as chlorodiazepam and 2′-chloro-diazepam, is a benzodiazepine and functional analog of diazepam.