Date published: 2026-4-5

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Calhex 231 (CAS 652973-93-8)

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Application:
Calhex 231 is an inhibitor of the CaSR via negative allosteric modulation
CAS Number:
652973-93-8
Purity:
≥98%
Molecular Weight:
406.95
Molecular Formula:
C25H27ClN2O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Calhex 231 is an inhibitor of the CaSR (calcium sensing receptor) via negative allosteric modulation. Calhex 231 blocks increases in [3H]inositol phosphate levels elicited by wild-type hCasR activation (IC50 = 0.39 μM in transiently transfected HEK293 cells).


Calhex 231 (CAS 652973-93-8) References

  1. Therapeutic approaches to bone diseases.  |  Rodan, GA. and Martin, TJ. 2000. Science. 289: 1508-14. PMID: 10968781
  2. Discoveries, drugs and skeletal disorders.  |  Goltzman, D. 2002. Nat Rev Drug Discov. 1: 784-96. PMID: 12360256
  3. Modeling and mutagenesis of the binding site of Calhex 231, a novel negative allosteric modulator of the extracellular Ca(2+)-sensing receptor.  |  Petrel, C., et al. 2003. J Biol Chem. 278: 49487-94. PMID: 14506236
  4. Positive and negative allosteric modulators of the Ca2+-sensing receptor interact within overlapping but not identical binding sites in the transmembrane domain.  |  Petrel, C., et al. 2004. J Biol Chem. 279: 18990-7. PMID: 14976203
  5. The calcilytics Calhex-231 and NPS 2143 and the calcimimetic Calindol reduce vascular reactivity via inhibition of voltage-gated Ca2+ channels.  |  Greenberg, HZE., et al. 2016. Eur J Pharmacol. 791: 659-668. PMID: 27725162
  6. The Calcilytic Drug Calhex-231 Ameliorates Vascular Hyporesponsiveness in Traumatic Hemorrhagic Shock by Inhibiting Oxidative Stress and miR-208a-Mediated Mitochondrial Fission.  |  Lei, Y., et al. 2020. Oxid Med Cell Longev. 2020: 4132785. PMID: 33343806
  7. The calcimimetic R-568 attenuates subarachnoid hemorrhage-induced vasospasm through PI3K/Akt/eNOS signaling pathway in the rat model.  |  Güleç, İ., et al. 2021. Brain Res. 1765: 147508. PMID: 33930376
  8. SKF96365 activates calcium-sensing receptors in pulmonary arterial smooth muscle cells.  |  Miyaki, R., et al. 2022. Biochem Biophys Res Commun. 607: 44-48. PMID: 35366542
  9. Ca2+ Signaling and Proliferation via Ca2+-Sensing Receptors in Human Hepatic Stellate LX-2 Cells.  |  Kondo, R., et al. 2022. Biol Pharm Bull. 45: 664-667. PMID: 35491171
  10. Macrophages in obesity are characterised by increased IL-1β response to calcium-sensing receptor signals.  |  Thrum, S., et al. 2022. Int J Obes (Lond). 46: 1883-1891. PMID: 35931812
  11. Secretory Factors from Calcium-Sensing Receptor-Activated SW872 Pre-Adipocytes Induce Cellular Senescence and A Mitochondrial Fragmentation-Mediated Inflammatory Response in HepG2 Cells.  |  Briones-Suarez, L., et al. 2023. Int J Mol Sci. 24: PMID: 36982291
  12. Modulation of fibroblast growth factor-23 expression and transepithelial calcium absorption in Caco-2 monolayer by calcium-sensing receptor and calcineurin under calcium hyperabsorptive state.  |  Rodrat, M., et al. 2023. Biochem Biophys Res Commun. 659: 105-112. PMID: 37060830
  13. Stimulation of the calcium-sensing receptor induces relaxations of rat mesenteric arteries by endothelium-dependent and -independent pathways via BKCa and KATP channels.  |  Carlton-Carew, SRE., et al. 2024. Physiol Rep. 12: e15926. PMID: 38281732

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Calhex 231, 5 mg

sc-207394
5 mg
$347.00