Tadalafil

Tadalafil

Product Name Tadalafil
CAS Number 171596-29-5
Molecular Formula C22H19N3O4
Molecular Weight 389.40
Appearance White or almost white crystalline powder
Assay (HPLC) ≥99.0%
Loss on Drying ≤0.5%
Residue on Ignition ≤0.1%
Heavy Metals ≤10 ppm
Melting Point 298-300°C
Specific Rotation +70° to +75° (c=1, DMF)

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Tadalafil Structure

Synonyms

Tadalafil, Cialis, GF-196960, IC-351, (6R,12aR)-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione

Tadalafil is the long-acting PDE5 inhibitor that changed the game in erectile dysfunction treatment. Unlike sildenafil, it stays active for up to 36 hours, giving patients more spontaneity and flexibility. That’s why it’s become a top choice for both doctors and patients worldwide.

We supply tadalafil as a high-purity API powder, manufactured under strict quality controls. Every batch comes with a full COA, and we offer flexible packaging from 100g trials to bulk orders.

English CAS
Sildenafil 139755-83-2
Sildenafil Citrate 171599-83-0
Tadalafil 171596-29-5
Vardenafil 224785-91-5
Avanafil 330784-47-9
Dapoxetine 119356-77-3
Dapoxetine HCl 129938-20-1
Finasteride 98319-26-7

Function

  • PDE5 inhibition: Selectively inhibits PDE5, increasing cGMP levels and promoting smooth muscle relaxation.
  • Long duration: Half-life of 17.5 hours, providing up to 36 hours of efficacy.
  • Low food interaction: Can be taken with or without food, with no significant effect on absorption.
  • Broad applications: Used for erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension.

Source & Purity

  • High purity: ≥99.0% by HPLC, meeting pharmaceutical standards.
  • Consistent quality: Strict in-house QC ensures batch-to-batch uniformity.
  • Reliable supply: Available from research quantities to commercial scale.

Documentation & Supply

  • Documentation: COA, MSDS, TDS
  • Lead time: In stock for quick dispatch; bulk orders typically 7-15 days.
  • Packaging: Double polyethylene bags inside aluminum foil bags, or custom packaging on request.

Request For Quote

  • Our Address: 280 Main Street, Xian, Shaanxi, China
  • LyvBio Co., Ltd. — Email: info@lyvbio.com

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