Date published: 2026-4-12

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CL 218872 (CAS 66548-69-4)

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Application:
CL 218872 is a benzodiazepine agonist selective for α1 subunit-containing GABAA receptors
CAS Number:
66548-69-4
Purity:
>99%
Molecular Weight:
278.24
Molecular Formula:
C13H9F3N4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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CL 218872 is a benzodiazepine agonist displaying selectivity for α1 subunit-containing GABAA receptors (Ki values are 130, 1820, 1530, > 10000, 490 and > 10000 nM for α1, α2, α3, α4, α5 and α6-subunit containing receptors respectively).


CL 218872 (CAS 66548-69-4) References

  1. Differential effects of chronic lorazepam and alprazolam on benzodiazepine binding and GABAA-receptor function.  |  Galpern, WR., et al. 1990. Br J Pharmacol. 101: 839-42. PMID: 1964820
  2. Modulation of the electrically evoked release of 5-[3H]hydroxytryptamine from rat cerebral cortex: effects of alpidem, CL 218872, and diazepam.  |  Lista, A., et al. 1988. J Neurochem. 51: 1414-21. PMID: 2844992
  3. Effects of zolpidem, a new imidazopyridine hypnotic, on the acquisition of conditioned fear in mice. Comparison with triazolam and CL 218,872.  |  Sanger, DJ., et al. 1986. Psychopharmacology (Berl). 90: 207-10. PMID: 2878460
  4. Comparison of the effects of chlordiazepoxide and CL 218,872 on serum corticosterone concentrations in rats.  |  McElroy, JF., et al. 1987. Psychopharmacology (Berl). 91: 467-72. PMID: 2884689
  5. Modifications of brain electrical activity after activation of the benzodiazepine receptor types in rats and rabbits.  |  Longo, VG., et al. 1988. Pharmacol Biochem Behav. 29: 785-90. PMID: 2901117
  6. Binding characteristics of 3H-flunitrazepam and CL-218,872 in cerebellum and cortex of C57B1 mice made tolerant to and dependent on phenobarbital or ethanol.  |  Liljequist, S. and Tabakoff, B. 1985. Alcohol. 2: 215-20. PMID: 2990504
  7. Some properties of brain specific benzodiazepine receptors: new evidence for multiple receptors.  |  Squires, RF., et al. 1979. Pharmacol Biochem Behav. 10: 825-30. PMID: 40257
  8. Benzodiazepine receptors: cellular and behavioral characteristics.  |  Lippa, AS., et al. 1979. Pharmacol Biochem Behav. 10: 831-43. PMID: 40258
  9. Benzodiazepine receptor ligand actions on GABA responses. Benzodiazepines, CL 218872, zopiclone.  |  Skerritt, JH. and Macdonald, RL. 1984. Eur J Pharmacol. 101: 127-34. PMID: 6086357
  10. CL 218,872 binding to benzodiazepine receptors in rat spinal cord: modulation by gamma-aminobutyric acid and evidence for receptor heterogeneity.  |  Villiger, JW. 1984. J Neurochem. 43: 903-5. PMID: 6088698
  11. Benzodiazepine receptor binding in young, mature and senescent rat brain and kidney.  |  Pedigo, NW., et al. 1981. Neurobiol Aging. 2: 83-8. PMID: 6272144
  12. gamma-Aminobutyric acid enhancement of CL 218,872 affinity and evidence of benzodiazepine receptor heterogeneity.  |  Regan, JW., et al. 1981. Mol Pharmacol. 20: 477-83. PMID: 6276709
  13. Structure and pharmacology of gamma-aminobutyric acidA receptor subtypes.  |  Sieghart, W. 1995. Pharmacol Rev. 47: 181-234. PMID: 7568326

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CL 218872, 10 mg

sc-203552
10 mg
$85.00

CL 218872, 50 mg

sc-203552A
50 mg
$319.00