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| Formula | C15H10BrClN2O2 |
| Molar mass | 365.61 g·mol−1 |
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3-Hydroxyphenazepam is abenzodiazepine withhypnotic,sedative,anxiolytic, andanticonvulsant properties.[1] It is anactive metabolite ofphenazepam,[1][2] as well as the active metabolite of the benzodiazepineprodrugcinazepam.[3] Relative to phenazepam, 3-hydroxyphenazepam has diminishedmyorelaxant properties, but is about equivalent in most other regards.[1] Like other benzodiazepines, 3-hydroxyphenazepam behaves as apositive allosteric modulator of thebenzodiazepine site of theGABAA receptor with an EC50 value of 10.3 nM.[4][5][6] It has been sold as adesigner drug.[7][8][9][10]