Calhex 231 hydrochloride

Cat. No. 4387

Calhex 231 hydrochloride C25H27ClN2O.HCl [652973-93-8]

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Chemical Name: 4-Chloro-N-[(1S,2S)-2-[[(1R)-1-(1-naphthalenyl)ethyl]amino]cyclohexyl]-benzamide hydrochloride

Biological Activity

Negative allosteric modulator of the calcium sensing receptor (CaSR). Blocks increases in [3H]inositol phosphate levels elicited by wild-type hCasR activation (IC50= 0.39 μM in transiently transfected HEK293 cells).

Technical Data

Soluble to 50 mM in DMSO
>98 %
Store at -20°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Petrel et al (2003) Modeling and mutagenesis of the binding site of Calhex 231, a novel negative allosteric modulator of the extracellular Ca2+-sensing receptor. J.Biol.Chem. 278 49487. PMID: 14506236.

Kessler et al (2006) N1-Benzoyl-N2-[1-(1-naphthyl)ethyl]-trans-1,2-diaminocyclohexanes: Development of 4-chlorophenylcarboxamide (Calhex 231) as a new calcium sensing receptor ligand demonstrating potent calcilytic activity. J.Med.Chem. 49 5119. PMID: 16913701.

Weston et al (2008) The expression and function of Ca2+-sensing receptors in rat mesenteric artery; comparative studies using a model of type II diabetes. Br.J.Pharmacol. 154 652. PMID: 18414396.

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Keywords: Calhex 231 hydrochloride, supplier, Calhex231, calcilytics, hcasr, calcium-sensing, receptors, negative, allosteric, modulators, nams, Calcium-Sensing Receptor Modulators

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