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Base Information Edit
  • Chemical Name:Tadalafil
  • CAS No.:171596-29-5
  • Molecular Formula:C22H19N3O4
  • Molecular Weight:389.411
  • Hs Code.:2934990002
  • European Community (EC) Number:687-782-2
  • NSC Number:759172,750236
  • DSSTox Substance ID:DTXSID9046786
  • Nikkaji Number:J1.662.659G
  • Wikipedia:Tadalafil
  • Wikidata:Q424156
  • NCI Thesaurus Code:C47743
  • RXCUI:358263
  • Pharos Ligand ID:SN4U17L6RNNH
  • Metabolomics Workbench ID:43110
  • Mol file:171596-29-5.mol

Synonyms:Cialis;IC 351;IC-351;IC351;Pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione, 6-(1,3- benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-;tadalafil

Suppliers and Price of Tadalafil
Supply Marketing:Edit
Business phase:
The product has achieved commercial mass production*data from LookChem market partment
Manufacturers and distributors:
  • Manufacture/Brand
  • Chemicals and raw materials
  • Packaging
  • price
  • Usbiological
  • Tadalafil
  • 50mg
  • $ 403.00
  • TRC
  • Tadalafil
  • 1g
  • $ 1095.00
  • TRC
  • Tadalafil
  • 10mg
  • $ 55.00
  • Tocris
  • Tadalafil ≥99%(HPLC)
  • 10
  • $ 45.00
  • Sigma-Aldrich
  • Tadalafil ≥98% (HPLC)
  • 10mg
  • $ 65.50
  • Sigma-Aldrich
  • Tadalafil Pharmaceutical Secondary Standard; Certified Reference Material
  • 500mg
  • $ 133.00
  • Sigma-Aldrich
  • Tadalafil European Pharmacopoeia (EP) Reference Standard
  • $ 190.00
  • Sigma-Aldrich
  • Tadalafil European Pharmacopoeia (EP) Reference Standard
  • y0001417
  • $ 190.00
  • Sigma-Aldrich
  • Tadalafil solution 1.0?mg/mL in acetonitrile, ampule of 1?mL, certified reference material, Cerilliant?
  • 1 mL
  • $ 145.00
  • Sigma-Aldrich
  • Tadalafil solution 1.0mg/mL in acetonitrile, ampule of 1mL, certified reference material
  • 072-1ml
  • $ 141.00
Total 412 raw suppliers
Chemical Property of Tadalafil Edit
Chemical Property:
  • Appearance/Colour:white to off-white cyrstalline solid 
  • Vapor Pressure:5.29E-13mmHg at 25°C 
  • Melting Point:298-300 °C 
  • Refractive Index:1.705 
  • Boiling Point:679.1 °C at 760 mmHg 
  • PKA:16.68±0.40(Predicted) 
  • Flash Point:364.5 °C 
  • PSA:74.87000 
  • Density:1.51 g/cm3 
  • LogP:2.08710 
  • Storage Temp.:Hygroscopic, -20?C Freezer, Under Inert Atmosphere 
  • Solubility.:DMSO: soluble20mg/mL, clear 
  • XLogP3:2.3
  • Hydrogen Bond Donor Count:1
  • Hydrogen Bond Acceptor Count:4
  • Rotatable Bond Count:1
  • Exact Mass:389.13755610
  • Heavy Atom Count:29
  • Complexity:702

99% *data from raw suppliers

Tadalafil *data from reagent suppliers

Safty Information:
  • Pictogram(s): F,Xn 
  • Hazard Codes:F,Xn 
  • Statements: 11-20/21/22-36 
  • Safety Statements: 16-36/37 
MSDS Files:

SDS file from LookChem

  • Drug Classes:PDE5 Inhibitors
  • Canonical SMILES:CN1CC(=O)N2C(C1=O)CC3=C(C2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
  • Isomeric SMILES:CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
  • Recent ClinicalTrials:Endocrine Cardiomyopathy in Cushing Syndrome: Response to Cyclic GMP PDE5 inhibitOrs
  • Recent EU Clinical Trials:Effects of single dose tadalafil on urethral and anal closure function and on urinary flow in healthy females: A randomised, controlled, double-blinded, two-period cross-over study
  • Recent NIPH Clinical Trials:TADAFL
  • Mechanism of Action Tadalafil is a phosphodiesterase-5 (PDE-5) inhibitor, which works by increasing smooth muscle relaxation through the breakdown of cyclic guanosine monophosphate (cGMP).
  • Vasodilator Properties Tadalafil is widely used as a vasodilator due to its ability to increase smooth muscle relaxation. It has a relatively long plasma half-life of 16 hours in healthy adults, allowing for sustained effects.
  • Treatment of Erectile Dysfunction Tadalafil, along with other PDE5 inhibitors such as avanafil and sildenafil, is used to treat male erectile dysfunction (ED). It is available in tablet form under various brand names and has been recommended by regulatory agencies like the European Medicines Agency (EMA) and the Food and Drug Administration (FDA).
  • Effect on Glucose Metabolism and Lipid Homeostasis Tadalafil does not significantly affect lipid homeostasis or body composition, as demonstrated by studies showing no change in body mass index (BMI) or adipose tissue levels.
  • Renal Hemodynamic Effects Tadalafil treatment significantly modulates renal hemodynamic parameters, indicating its potential effects on kidney function.
  • Detection Methods Due to health and economic concerns, there is a need for a convenient, fast, cheap, and sensitive method for detecting tadalafil. Common detection methods include thin-layer chromatography, high-performance liquid chromatography, liquid chromatography-tandem mass spectrometry, and immunoassay methods, which are highly specific and sensitive for detecting analytes like tadalafil.
Technology Process of Tadalafil

There total 45 articles about Tadalafil which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:
Refernces Edit
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