SHEET /m/sildenafil · PubChem CID 135398744 · CAS 139755-83-2 · REV 2026.07
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Sildenafil
from sourceC22H30N6O4S · 474.6 g/mol
Aphrodil · Nipatra · Patrex · Vizarsin
What is Sildenafil?
The PDE5 inhibitor sold as Viagra, developed for angina and repurposed for erectile dysfunction and pulmonary hypertension. from source
CategoryPrescription medicine
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Fig. 1 · 2D structure RDKit
SMILES
CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)CWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Toxicity & hazards
WarningIrritantH302, H315, H319, H335, H412from source