1329568-92-4

1329568-92-4 structure
1329568-92-4 structure
  • Name: ent-Tadalafil-d3
  • Chemical Name: ent-Tadalafil-d3
  • CAS Number: 1329568-92-4
  • Molecular Formula: C22H16D3N3O4
  • Molecular Weight: 392.42
  • Catalog: Signaling Pathways Metabolic Enzyme/Protease Phosphodiesterase (PDE)
  • Create Date: 2021-10-23 17:26:56
  • Modify Date: 2024-01-10 09:53:34
  • ent-Tadalafil-d3 (ent-IC-351-d3) is the deuterium labeled ent-Tadalafil. ent-Tadalafil (ent-IC-351), compound (6S,12aS), is a inactive cis-enantiomer of compound (6R,12aS). compound (6R,12aS) is a potent PDE5 inhibitor with an IC50 of 0.090 μM, while ent-Tadalafil is inactive at concentrations up to 10 µM[1][2].

Name ent-Tadalafil-d3
Description ent-Tadalafil-d3 (ent-IC-351-d3) is the deuterium labeled ent-Tadalafil. ent-Tadalafil (ent-IC-351), compound (6S,12aS), is a inactive cis-enantiomer of compound (6R,12aS). compound (6R,12aS) is a potent PDE5 inhibitor with an IC50 of 0.090 μM, while ent-Tadalafil is inactive at concentrations up to 10 µM[1][2].
Related Catalog
In Vitro Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs[1].
References

[1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

[2]. Daugan A, et al. The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogues.J Med Chem. 2003 Oct 9;46(21):4533-42.

Melting Point 271-273 °C
Molecular Formula C22H16D3N3O4
Molecular Weight 392.42
Hazard Codes Xi