Active Ingredient History

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Alprazolam, a benzodiazepine, is used to treat panic disorder and anxiety disorder. Unlike chlordiazepoxide, clorazepate, and prazepam, alprazolam has a shorter half-life and metabolites with minimal activity. Alprazolam may have significant drug interactions involving the hepatic cytochrome P-450 3A4 isoenzyme. Clinically, all benzodiazepines cause a dose-related central nervous system depressant activity varying from mild impairment of task performance to hypnosis. Unlike other benzodiazepines, alprazolam may also have some antidepressant activity, although clinical evidence of this is lacking. CNS agents of the 1,4 benzodiazepine class presumably exert their effects by binding at stereo specific receptors at several sites within the central nervous system. Their exact mechanism of action is unknown. Benzodiazepines bind nonspecifically to benzodiazepine receptors BNZ1, which mediates sleep, and BNZ2, which affects muscle relaxation, anticonvulsant activity, motor coordination, and memory. As benzodiazepine receptors are thought to be coupled to gamma-aminobutyric acid-A (GABAA) receptors, this enhances the effects of GABA by increasing GABA affinity for the GABA receptor. Binding of the inhibitory neurotransmitter GABA to the site opens the chloride channel, resulting in a hyperpolarized cell membrane that prevents further excitation of the cell.   NCATS

  • SMILES: CC1=NN=C2CN=C(C3=CC=CC=C3)C4=CC(Cl)=CC=C4N12
  • InChIKey: VREFGVBLTWBCJP-UHFFFAOYSA-N
  • Mol. Mass: 308.765
  • ALogP: 3.58
  • ChEMBL Molecule:
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Drug Pricing (per unit)

United States

$0.0068 - $23.8470

Australia

$0.1496 - $0.2985
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Note: This drug pricing data is preliminary, incomplete, and may contain errors.

8-chloro-1-methyl-6-phenyl-4h-s-triazolo(4,3-a)(1,4)benzodiazepine | alprazolam | alprozolam | alzolam | niravam | u-31889 | xanax | xanax xr

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