Phenazepam is a potent benzodiazepine developed in the Soviet Union in the 1970s and is mainly prescribed in Russia and some other countries for conditions like severe anxiety, insomnia, epilepsy, and alcohol withdrawal syndrome. It functions as a central nervous system depressant through its effect on the GABAA receptor, producing sedation, anxiolytic, muscle relaxant, and anticonvulsant effects. Phenazepam is under investigation in clinical trial NCT03017430 (Pregabalin for Opiate Withdrawal Syndrome). The directory classifies it as a discontinued API with a synthetic source/manufacturing origin. Other names for this substance include Fenazepam, 2H-1, 4-Benzodiazepin-2-one, 1 and 3-dihydro-7-bromo-5-(2-chlorophenyl)-. It is listed as a controlled drug substance (Schedule I). Its PubChem CID is 40113.
Phenazepam
| CAS No | 51753-57-2 |
|---|---|
| Molecular Formula | C15H10BrClN2O |
| Molecular Weight | 349.61 g/mol |
| Synonyms | 7-bromo-5-(2-chlorophenyl)-1,3-dihydro-1,4-benzodiazepin-2-one |
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Frequently Asked Questions
Phenazepam is a potent benzodiazepine developed in the Soviet Union in the 1970s and is mainly prescribed in Russia and some other countries for conditions like severe anxiety, insomnia, epilepsy, and alcohol withdrawal syndrome.
The listed CAS number is 51753-57-2.
The listed molecular formula is C15H10BrClN2O.
The listed molecular weight is 349.61 g/mol.
7-bromo-5-(2-chlorophenyl)-1,3-dihydro-1,4-benzodiazepin-2-one.
The source lists Fenazepam, 2H-1, 4-Benzodiazepin-2-one, 1 and 3-dihydro-7-bromo-5-(2-chlorophenyl)-.