Date published: 2026-4-26

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CI 988 (CAS 130332-27-3)

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Application:
CI 988 is a selective and effective antagonist of CCK-BR
CAS Number:
130332-27-3
Purity:
>99%
Molecular Weight:
614.73
Molecular Formula:
C35H42N4O6
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Available in US only.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

CI 988 is a selective and effective antagonist of CCK-BR (CCK2 CCK-B cholecystokinin 2) receptors. CCK is a neuroendocrine peptide described to play an important role in cell growth, cell proliferation, and other biological functions. Lung cancer cell studies report that Cl 988 inhibits the proliferation of NCI-H209 cells in vitro and the binding of CCK-8 to NCI-H209 cells. In addition Cl 988 blocks the elevated levels of cytosolic Ca2+ induced by CCK-8. Other CCK-BR inhibitors include L-365,260 (sc-205244).


CI 988 (CAS 130332-27-3) References

  1. Inhibition of gastrin-stimulated cell proliferation by the CCK-B/gastrin receptor ligand CI-988.  |  Dethloff, LA., et al. 1999. Food Chem Toxicol. 37: 105-10. PMID: 10227733
  2. Cholecystokinin/opioid interactions.  |  Wiesenfeld-Hallin, Z., et al. 1999. Brain Res. 848: 78-89. PMID: 10612699
  3. Spinal effect of the cholecystokinin-B receptor antagonist CI-988 on hyperalgesia, allodynia and morphine-induced analgesia in diabetic and mononeuropathic rats.  |  Coudoré-Civiale, MA., et al. 2000. Pain. 88: 15-22. PMID: 11098095
  4. CI-988 inhibits growth of small cell lung cancer cells.  |  Moody, TW. and Jensen, RT. 2001. J Pharmacol Exp Ther. 299: 1154-60. PMID: 11714907
  5. The behavioural properties of CI-988, a selective cholecystokininB receptor antagonist.  |  Singh, L., et al. 1991. Br J Pharmacol. 104: 239-45. PMID: 1686205
  6. Devazepide, a nonpeptide antagonist of CCK receptors, induces apoptosis and inhibits Ewing tumor growth.  |  Carrillo, J., et al. 2009. Anticancer Drugs. 20: 527-33. PMID: 19407653
  7. Development of a class of selective cholecystokinin type B receptor antagonists having potent anxiolytic activity.  |  Hughes, J., et al. 1990. Proc Natl Acad Sci U S A. 87: 6728-32. PMID: 1975695
  8. Effect of the Combination of CI-988 and Morphine on Neuropathic Pain after Spinal Cord Injury in Rats.  |  Kim, J., et al. 2015. Korean J Physiol Pharmacol. 19: 125-30. PMID: 25729274
  9. CI-988 Inhibits EGFR Transactivation and Proliferation Caused by Addition of CCK/Gastrin to Lung Cancer Cells.  |  Moody, TW., et al. 2015. J Mol Neurosci. 56: 663-72. PMID: 25761747
  10. Gastrin Attenuates Renal Ischemia/Reperfusion Injury by a PI3K/Akt/Bad-Mediated Anti-apoptosis Signaling.  |  Liu, C., et al. 2020. Front Pharmacol. 11: 540479. PMID: 33343341
  11. The CCK-B antagonist CI-988 increases dopamine levels in microdialysate from the rat nucleus accumbens via a tetrodotoxin- and calcium-independent mechanism.  |  Corwin, RL., et al. 1995. J Neurochem. 65: 208-17. PMID: 7790862
  12. Effect of CI-988 on cholecystokinin tetrapeptide-induced panic symptoms in healthy volunteers.  |  Bradwejn, J., et al. 1995. Biol Psychiatry. 38: 742-6. PMID: 8580227
  13. A double-blind, placebo-controlled study of a CCK-B receptor antagonist, CI-988, in patients with generalized anxiety disorder.  |  Adams, JB., et al. 1995. J Clin Psychopharmacol. 15: 428-34. PMID: 8748432

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CI 988, 10 mg

sc-205244
10 mg
$800.00
US: Only available in the US

CI 988, 50 mg

sc-205244A
50 mg
$1503.00
US: Only available in the US