Feb 10, - Intermediate. 0. 5 – 1mg.. uk: Benzodiazepine Equivalence Table Approximately Equivalent Oral Doses, mg, Time to Peak Level, hours, Half-life, hours. Alprazolam (Xanax), 0. 5 1, , Bromazepam (Lexotan), 3 6, , Chlordiazepoxide (Librium), 10 25, , Clonazepam (Klonopin), 0. 25 0. Apr 26, - This compound is a novel research chemical derivative of the FDA-approved drugs clonazepam (Klonopin, Rivitrol) and alprazolam (Xanax). risks than other designer benzodiazepines due to their ability to produce strong sedation and amnesia at oral doses as low as mg, or micrograms (ug). Benzodiazepine Dose Conversions. Comparative dosages alprazolam, diazepam, lorazepam, oxazepam, temazepam, clonazepam, medxr.comg: mcg.