Vardenafil

Vardenafil
Clinical data
Trade names	Levitra, Staxyn, Vivanza
AHFS/Drugs.com	Monograph
MedlinePlus	a603035
License data	EU EMA: by INN;
Pregnancy; category	AU: B3;
Routes of; administration	By mouth
ATC code	G04BE09 (WHO) ;
Legal status
Legal status	AU: S4 (Prescription only); UK: POM (Prescription only); US: ℞-only; In general: ℞ (Prescription only);
Pharmacokinetic data
Bioavailability	15%
Protein binding	95%
Metabolism	Liver (CYP3A4)
Elimination half-life	4–5 hours
Excretion	Bile duct
Identifiers
	IUPAC name 4-[2-Ethoxy-5-(4-ethylpiperazin-1-yl)sulfonyl-phenyl]-9-methyl-7-propyl-3,5,6,8-tetrazabicyclo[4.3.0]nona-3,7,9-trien-2-one;
CAS Number	224785-90-4 ;
PubChem CID	110634;
IUPHAR/BPS	7320;
DrugBank	DB00862 ;
ChemSpider	99300 ;
UNII	UCE6F4125H;
KEGG	D08668;
ChEMBL	ChEMBL1520 ;
CompTox Dashboard (EPA)	DTXSID3048318 ;
ECHA InfoCard	100.112.672
Chemical and physical data
Formula	C23H32N6O4S
Molar mass	488.61 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C2\N=C(/Nn1c(nc(c12)C)CCC)c3cc(ccc3OCC)S(=O)(=O)N4CCN(CC)CC4;
	InChI InChI=1S/C23H32N6O4S/c1-5-8-20-24-16(4)21-23(30)25-22(26-29(20)21)18-15-17(9-10-19(18)33-7-3)34(31,32)28-13-11-27(6-2)12-14-28/h9-10,15H,5-8,11-14H2,1-4H3,(H,25,26,30) ; Key:SECKRCOLJRRGGV-UHFFFAOYSA-N ;
	(verify)

Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. It is a PDE5 inhibitor. It is taken by mouth.