Date published: 2025-9-26

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NPS 2143 hydrochloride (CAS 324523-20-8)

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Alternate Names:
2-chloro-6-[(2R)-2-hydroxy-3-[(2-methyl-1-naphthalen-2-ylpropan-2-yl)amino]propoxy]benzonitrile hydrochloride
Application:
NPS 2143 hydrochloride is a selective CaSR inhibitor and antagonist
CAS Number:
324523-20-8
Purity:
≥97%
Molecular Weight:
445.38
Molecular Formula:
C24H25ClN2O2•HCl
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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NPS 2143 hydrochloride, a synthetic peptide belonging to the NPS peptide family. NPS 2143 hydrochloride has a dose-dependent inhibitory effect on the growth of human umbilical vein endothelial cells and can trigger their apoptosis. The mechanism of action is that the peptide interacts with various receptors such as the G-protein coupled receptor family and intracellular signaling pathways including the mitogen-activated protein kinase (MAPK) pathway.


NPS 2143 hydrochloride (CAS 324523-20-8) References

  1. Inhibition of the Ca(2+)-sensing receptor rescues pulmonary hypertension in rats and mice.  |  Guo, Q., et al. 2014. Hypertens Res. 37: 116-24. PMID: 24089267
  2. Extracellular calcium regulates protein tyrosine phosphorylation through calcium-sensing receptor (CaSR) in stallion sperm.  |  Macías-García, B., et al. 2016. Mol Reprod Dev. 83: 236-45. PMID: 26762297
  3. NPS2143 Inhibits MUC5AC and Proinflammatory Mediators in Cigarette Smoke Extract (CSE)-Stimulated Human Airway Epithelial Cells.  |  Lee, JW., et al. 2017. Inflammation. 40: 184-194. PMID: 27866297
  4. Role of the Calcium-Sensing Receptor (CaSR) in bovine gametes and during in vitro fertilization.  |  Macías-García, B., et al. 2017. Theriogenology. 95: 69-74. PMID: 28460682
  5. NPS - 2143 (hydrochloride) inhibits melanoma cancer cell proliferation and induces autophagy and apoptosis.  |  Wang, S., et al. 2018. Med Sci (Paris). 34 Focus issue F1: 87-93. PMID: 30403181
  6. Astragaloside IV Suppresses High Glucose-Induced NLRP3 Inflammasome Activation by Inhibiting TLR4/NF-κB and CaSR.  |  Leng, B., et al. 2019. Mediators Inflamm. 2019: 1082497. PMID: 30906223
  7. Calcium-sensing receptor and CPAP-induced neonatal airway hyperreactivity in mice.  |  Mayer, CA., et al. 2022. Pediatr Res. 91: 1391-1398. PMID: 33958714
  8. Changes in the gut microbiome and metabolome in a rat model of pulmonary arterial hypertension.  |  Hong, W., et al. 2021. Bioengineered. 12: 5173-5183. PMID: 34405758
  9. Effect of calcium-sensing receptor on the migration and proliferation of porcine intestinal epithelial cells.  |  Zheng, J., et al. 2023. Anim Biotechnol. 34: 365-374. PMID: 34459707
  10. Urothelial Calcium-Sensing Receptor Modulates Micturition Function via Mediating Detrusor Activity and Ameliorates Bladder Hyperactivity in Rats.  |  Wu, WY., et al. 2021. Pharmaceuticals (Basel). 14: PMID: 34681183
  11. Tryptophan Ameliorates Barrier Integrity and Alleviates the Inflammatory Response to Enterotoxigenic Escherichia coli K88 Through the CaSR/Rac1/PLC-γ1 Signaling Pathway in Porcine Intestinal Epithelial Cells.  |  Liu, G., et al. 2021. Front Immunol. 12: 748497. PMID: 34745120
  12. 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
  13. 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
  14. The role of calcium-sensitive receptor in ovalbumin-induced airway inflammation and hyperresponsiveness in juvenile mice with asthma.  |  Xiang, ZY. and Tao, DD. 2022. Kaohsiung J Med Sci. 38: 1203-1212. PMID: 36169192
  15. The CASR antagonist NPS2143 induces loss of acrosomal integrity and proteolysis of SPACA1 in boar spermatozoa.  |  Macías-García, B. and González-Fernández, L. 2023. Reproduction. 165: 475-489. PMID: 36821514

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NPS 2143 hydrochloride, 10 mg

sc-361280
10 mg
$184.00

NPS 2143 hydrochloride, 50 mg

sc-361280A
50 mg
$571.00