Tadalafil
Sexual HealthPrescription drug (research listing)Also known as: Cialis
Overview
Tadalafil is a pyrazinopyridoindole that is 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione substituted at position 2 by a methyl group and at position 6 by a 1,3-benzodioxol-5-yl group (the 6R,12aR-diastereomer). It has a role as a vasodilator agent and an EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor. It is a member of benzodioxoles and a pyrazinopyridoindole.
Source: ChEBI (CC BY 4.0), via PubChem.
- PubChem record
- CID 110635 · Tadalafil
- Molecular formula · weight
- C22H19N3O4 · 389.4 g/mol
- PubMed papers naming it (title/abstract)
- 2,997 search: “Tadalafil”
- Registered clinical studies (ClinicalTrials.gov)
- 291 intervention: “Tadalafil”
Reference facts checked 2026-11-09. Counts are search results, not a judgement of the evidence.
Vendors That Carry Tadalafil
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Blends containing Tadalafil
Products that vendors sell with Tadalafil and other peptides in one item. Each blend has its own price comparison and vendor pages.
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