Date published: 2026-3-3

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4-P-PDOT (CAS 134865-74-0)

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Alternate Names:
AH 024; cis-4-Phenyl-2-propionamidotetralin
Application:
4-P-PDOT is a MEL-1B-R melatonin receptor antagonist
CAS Number:
134865-74-0
Molecular Weight:
279.38
Molecular Formula:
C19H21NO
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-P-PDOT (4-Phenyl-2-propionamidotetralin) is a synthetic compound known for its biological activity as a selective antagonist of the melatonin MT2 receptor. Melatonin receptors, which include MT1 and MT2 subtypes, are part of the G protein-coupled receptor (GPCR) family and are activated by the hormone melatonin. These receptors play a role in regulating circadian rhythms, sleep-wake cycles, and various other physiological processes.


4-P-PDOT (CAS 134865-74-0) References

  1. An improved synthesis of cis-4-phenyl-2-propionamidotetralin (4-P-PDOT): a selective MT(2) melatonin receptor antagonist.  |  Lucarini, S., et al. 2008. Org Biomol Chem. 6: 147-50. PMID: 18075659
  2. Toward the definition of stereochemical requirements for MT2-selective antagonists and partial agonists by studying 4-phenyl-2-propionamidotetralin derivatives.  |  Bedini, A., et al. 2011. J Med Chem. 54: 8362-72. PMID: 22047556
  3. The influence od melatonin receptors antagonists, luzindole and 4-phenyl-2-propionamidotetralin (4-P-PDOT), on melatonin-dependent vasopressin and adrenocorticotropic hormone (ACTH) release from the rat hypothalamo-hypophysial system. In vitro and in vivo studies.  |  Juszczak, M., et al. 2014. J Physiol Pharmacol. 65: 777-84. PMID: 25554981
  4. The role of melatonin membrane receptors in melatonin-dependent oxytocin secretion from the rat hypothalamo-neurohypophysial system - an in vitro and in vivo approach.  |  Juszczak, M., et al. 2016. Endokrynol Pol. 67: 507-514. PMID: 26884304
  5. Stimulatory Effects of Melatonin on Porcine In Vitro Maturation Are Mediated by MT2 Receptor.  |  Lee, S., et al. 2018. Int J Mol Sci. 19: PMID: 29861447
  6. Melatonin Attenuates Anoxia/Reoxygenation Injury by Inhibiting Excessive Mitophagy Through the MT2/SIRT3/FoxO3a Signaling Pathway in H9c2 Cells.  |  Wu, J., et al. 2020. Drug Des Devel Ther. 14: 2047-2060. PMID: 32546969
  7. Melatonin Improves the Resistance of Oxidative Stress-Induced Cellular Senescence in Osteoporotic Bone Marrow Mesenchymal Stem Cells.  |  Chen, W., et al. 2022. Oxid Med Cell Longev. 2022: 7420726. PMID: 35087617
  8. Melatonin Prevents Cartilage Degradation in Early-Stage Osteoarthritis Through Activation of miR-146a/NRF2/HO-1 Axis.  |  Zhou, X., et al. 2022. J Bone Miner Res. 37: 1056-1072. PMID: 35147250
  9. Melatonin Inhibits NF-κB/CREB/Runx2 Signaling and Alleviates Aortic Valve Calcification.  |  Li, SJ., et al. 2022. Front Cardiovasc Med. 9: 885293. PMID: 35795373
  10. Mammalian Melatonin Agonist Pharmaceuticals Stimulate Rhomboid Proteins in Plants.  |  Erland, LAE., et al. 2022. Biomolecules. 12: PMID: 35883439
  11. Melatonin inhibits muscular-mucosal stretch-sensitive bladder afferents via the MT2 receptors.  |  Ramsay, S. and Zagorodnyuk, V. 2022. Sci Rep. 12: 17686. PMID: 36271291
  12. High and low dose of luzindole or 4-phenyl-2-propionamidotetralin (4-P-PDOT) reverse bovine granulosa cell response to melatonin.  |  Liu, W., et al. 2023. PeerJ. 11: e14612. PMID: 36684672
  13. Melatonin receptors: are there multiple subtypes?  |  Dubocovich, ML. 1995. Trends Pharmacol Sci. 16: 50-6. PMID: 7762083
  14. Melatonin receptor antagonists that differentiate between the human Mel1a and Mel1b recombinant subtypes are used to assess the pharmacological profile of the rabbit retina ML1 presynaptic heteroreceptor.  |  Dubocovich, ML., et al. 1997. Naunyn Schmiedebergs Arch Pharmacol. 355: 365-75. PMID: 9089668

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-P-PDOT, 10 mg

sc-361083
10 mg
$140.00

4-P-PDOT, 50 mg

sc-361083A
50 mg
$552.00