All products are provided either as a liquid suspension in a 30mL vial or as raw powder packaged in an individual bag.  20mg/mL oral solution (600mg/30mL) For More Information Click Here Tadalafil Clinical data Pronunciation /təˈdæləfɪl/ tə-DAL-ə-fil AHFS/Drugs.com Monograph MedlinePlus a604008 License data US DailyMed: Tadalafil Pregnancycategory AU: B1[1] Routes ofadministration By mouth ATC code G04BE08 (WHO) Pharmacokinetic data Bioavailability Varies Protein binding 94% Metabolism Liver (predominantly CYP3A4) Metabolites Catechol metabolite Onset of action 30 minutes Elimination half-life 17.5 hours Excretion Feces (~61%), urine (~36%)[5] Identifiers show IUPAC name CAS Number 171596-29-5  PubChem CID 110635 IUPHAR/BPS 7299 DrugBank DB00820  ChemSpider 99301  UNII 742SXX0ICT KEGG D02008  ChEBI CHEBI:71940  ChEMBL ChEMBL779  PDB ligand CIA (PDBe, RCSB PDB) CompTox Dashboard (EPA) DTXSID9046786  ECHA InfoCard 100.214.024  Chemical and physical data Formula C22H19N3O4 Molar mass 389.411 g·mol−1 3D model (JSmol) Interactive image show SMILES show InChI   (verify) **The information provided is intended solely for educational purposes and should not be considered a replacement for professional medical advice. Additionally, it is important to note that research chemicals are intended solely for laboratory study by professional researchers and are not intended for human consumption.**