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Clonazepam

CAS No:
1622-61-3 Category:
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Product Details:

  • Product Name: Clonazepam
  • CAS #: 1622-61-3
  • Mode of Action:

    Allosteric interactions between central benzodiazepine receptors and gamma-aminobutyric acid (GABA) receptors potentiate the effects of GABA. As GABA is an inhibitory neurotransmitter, this results in increased inhibition of the ascending reticular activating system. Benzodiazepines, in this way, block the cortical and limbic arousal that occurs following stimulation of the reticular pathways.

  • Pharmacodynamics:

    Clonazepam, a benzodiazepine, is used primarily as an anticonvulsant in the treatment of absence seizures, petit mal variant seizures (Lennox-Gastaut syndrome), akinetic and myoclonic seizures, and nocturnal myoclonus.

  • Metabolism:

    Hepatic (cytochrome P450, including CYP3A). Biotransformation occurs mainly by reduction of the 7-nitro group to the 4-amino derivative. This derivative can be acetylated, hydroxylated, and glucuronidated.

  • Toxicity:

    Somnolence, confusion, coma, and diminished reflexes

  • IUPAC: 5-(2-chlorophenyl)-7-nitro-2, 3-dihydro-1H-1, 4-benzodiazepin-2-one
  • ATC: N03AE01
  • PubChem: 2802
  • DrugBank: DB01068 (APRD00054)
  • Formula: C22H27NO2
  • Molecular Mass: 315.711
  • Synonyms: Chlonazepam Clonazepamum
  • SMILES: [O-][N+](=O)C1=CC2=C(NC(=O)CN=C2C2=CC=CC=C2Cl)C=C1
  • AHFS Code: 28:12.1
  • InChl: DGBIGWXXNGSACT-UHFFFAOYSA-N
  • General Reference:

    1. Dreifuss FE, Penry JK, Rose SW, Kupferberg HJ, Dyken P, Sato S: Serum clonazepam concentrations in children with absence seizures. Neurology. 1975 Mar;25(3):255-8. Pubmed
    2. Robertson MD, Drummer OH: Postmortem drug metabolism by bacteria. J Forensic Sci. 1995 May;40(3):382-6. Pubmed
    3. Rosen GM, Turner MJ 3rd: Synthesis of spin traps specific for hydroxyl radical. J Med Chem. 1988 Feb;31(2):428-32. Pubmed
    4. Rosen GM, Demos HA, Rauckman EJ: Not all aromatic nitro compounds form free radicals. Toxicol Lett. 1984 Aug;22(2):145-52. Pubmed
    5. Earley JV, Fryer RI, Ning RY: Quinazolines and 1, 4-benzodiazepines. LXXXIX: Haptens useful in benzodiazepine immunoassay development. J Pharm Sci. 1979 Jul;68(7):845-50. Pubmed

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