Date published: 2025-9-21

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Tadalafil (CAS 171596-29-5)

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Alternate Names:
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1,2:1,6]pyrido[3,4-b]indole-1,4-dione; Cialis; GF 196960; IC 351; ICOS 351; Tildenafil; UK 336017
Application:
Tadalafil is a phosphodiesterase 5 inhibitor
CAS Number:
171596-29-5
Purity:
≥98%
Molecular Weight:
389.40
Molecular Formula:
C22H19N3O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Tadalafil is a potent and selective inhibitor of PDE5A (Phosphodiesterase-5, PDE5). This compound prevents the breakdown of phosphodiesterases, many of which are used as secondary messengers. By preventing the breakdown of these messenger molecules, tadalafil can prolong signal transduction and amplify its effect.


Tadalafil (CAS 171596-29-5) References

  1. Tadalafil Facilitates the Distal Ureteral Stone Expulsion: A Meta-Analysis.  |  Bai, Y., et al. 2017. J Endourol. 31: 557-563. PMID: 28384011
  2. Direct comparison of tadalafil with sildenafil for the treatment of erectile dysfunction: a systematic review and meta-analysis.  |  Gong, B., et al. 2017. Int Urol Nephrol. 49: 1731-1740. PMID: 28741090
  3. Initial combination therapy of macitentan and tadalafil in pulmonary arterial hypertension.  |  Sitbon, O., et al. 2020. Eur Respir J. 56: PMID: 32350101
  4. Solubilization of tadalafil using a tartaric acid and chitosan-based multi-system.  |  Sohn, JS. and Choi, JS. 2021. Int J Biol Macromol. 168: 866-874. PMID: 33249149
  5. Recent advances in the management of pulmonary arterial hypertension: lessons from the upfront combination of ambrisentan and tadalafil.  |  Escribano Subías, P., et al. 2021. Expert Rev Respir Med. 15: 493-504. PMID: 33472458
  6. Comparison of Dapoxetine /Tadalafil and Paroxetine/Tadalafil Combination Therapies for the Treatment of the Premature Ejaculation: A Randomized Clinical Trial.  |  Mohseni Rad, H., et al. 2021. Urol J. 19: 138-143. PMID: 34773634
  7. Tadalafil in Increasing Doses: The Influence on Coronary Blood Flow and Oxidative Stress in Isolated Rat Hearts.  |  Banjac, NM., et al. 2022. Pharmacology. 107: 150-159. PMID: 34903698
  8. Tadalafil Enhances Immune Signatures in Response to Neoadjuvant Nivolumab in Resectable Head and Neck Squamous Cell Carcinoma.  |  Luginbuhl, AJ., et al. 2022. Clin Cancer Res. 28: 915-927. PMID: 34911681
  9. Maternal blood concentration of tadalafil in pregnancy: Comparison of pregnant and non-pregnant women.  |  Enomoto, N., et al. 2022. Taiwan J Obstet Gynecol. 61: 230-233. PMID: 35361381
  10. Diagnosis and Treatment of Pulmonary Arterial Hypertension: A Review.  |  Ruopp, NF. and Cockrill, BA. 2022. JAMA. 327: 1379-1391. PMID: 35412560
  11. Is tadalafil associated with decreased risk of major adverse cardiac events or venous thromboembolism in men with lower urinary tract symptoms?  |  Goberdhan, S., et al. 2022. World J Urol. 40: 1799-1803. PMID: 35469100
  12. Parental exposure of Tadalafil has beneficial effect on reflexive motor behaviors in mice offspring.  |  Imani, MH., et al. 2022. Int J Dev Neurosci. 82: 397-406. PMID: 35471701
  13. Tadalafil against hyperoxia-induced oxidative stress; an experimental study.  |  Yeni, S., et al. 2022. Andrologia. 54: e14494. PMID: 35676072
  14. Sex-specific effects of daily tadalafil on diabetic heart kinetics in RECOGITO, a randomized, double-blind, placebo-controlled trial.  |  Pofi, R., et al. 2022. Sci Transl Med. 14: eabl8503. PMID: 35704597
  15. Prospective comparison of tadalafil 5 mg alone, silodosin 8 mg alone, and the combination of both in treatment of lower urinary tract symptoms related to benign prostatic hyperplasia.  |  AbdelRazek, M., et al. 2022. World J Urol. 40: 2063-2070. PMID: 35773357

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Tadalafil, 50 mg

sc-208412
50 mg
$176.00