tadalafil

Drug ingredient

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 171596-29-5

Where It Comes From

92 FDA-registered drug labelers
A-S Medication Solutions
Accord Healthcare Inc.
Actelion Pharmaceuticals US, Inc.
Advanced Rx of Tennessee, LLC
Ajanta Pharma USA Inc.
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Alivus Life Sciences Limited
Ami Lifesciences Private Limited
Amneal Pharmaceuticals Co. (I) Pvt. Ltd.
Amneal Pharmaceuticals NY LLC
Amoli Organics (A Division of Umedica Laboratories Private Limited)
Amoli Organics (A Division of Umedica Laboratories Pvt.Ltd.)
ANI Pharmaceuticals, Inc.
Aphena Pharma Solutions - Tennessee, LLC
Asclemed USA, Inc.
Assia Chemical Industries Ltd - Teva Tech Site
Aurobindo Pharma Limited
AURORE PHARMACEUTICALS PRIVATE LIMITED
AvKARE
AX Pharmaceutical Corp
Azico Biophore India Private Limited
Bostal LLC
Bryant Ranch Prepack
Burel Pharmaceuticals, LLC
Camber Pharmaceuticals, Inc.
Cipla USA Inc.
CMP Pharma, Inc.
CoreRx, Inc.
Cutyx Research LLP
Darmerica
direct rx
Dr.Reddys Laboratories Inc
Eli Lilly and Company
Evonik Corporation
Fagron Inc
FOURRTS (INDIA) LABORATORIES PRIVATE LIMITED
Galenova Inc
Guangzhou Yixin Cross-border E-commerce Co., Ltd.
HEC Pharm USA Inc.
Honour Lab Limited
HORSTER BIOTEK PVT LTD.
HORSTER LIFE SCIENCE PVT LTD
Jubilant Pharmova Limited
Kalchem International inc
LETCO MEDICAL, LLC
Lilly del Caribe, Inc.
Lupin Pharmaceuticals, Inc.
Macleods Pharmaceuticals Limited
Maithili Life Sciences Private Limited
MEDISCA Inc.
MSN Organics Private Limited
NIVAGEN PHARMACEUTICALS, INC.
NorthStar RxLLC
Northwind Health Company, LLC
NuCare Pharmaceutical,Inc.
NuCare Pharmaceuticals, Inc.
OPELLA HEALTHCARE INTERNATIONAL SAS
PD-RX Pharmaceuticals, Inc.
PENN PHARMACEUTICAL SERVICES LIMITED
Pharma Source Direct, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Proficient Rx LP
Qilu Pharmaceutical Co., Ltd.
Quallent Pharmaceuticals Health LLC
REMEDYREPACK INC.
SCH Global Services Private Limited
SHOOLIN PHARMA CHEM LLP
SMS Pharmaceuticals Limited
Solco Healthcare US, LLC
Srini Pharmaceuticals Private Limited
SUN PHARMACEUTICAL INDUSTRIES, INC.
Synergene Active Ingredients Private Limited
Teva Pharmaceuticals USA, Inc.
Teva Pharmaceuticals, Inc.
Torrent Pharmaceuticals Limited
Umedica Laboratories USA Inc.
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
United Therapeutics Corporation
Upsher-Smith Laboratories, LLC
VKT Pharma Private Limited
Willow Birch Pharma, Inc
Xenex Laboratories Inc
Xinshu Technology Co., Limited
XLCare Pharmaceuticals Inc.
ZAKLADY FARMACEUTYCZNE POLPHARMA S A
Zhejiang Bamboo Pharmaceuticals Co.,Ltd
Zhejiang Huahai Pharmaceutical Co., Ltd.
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 8 drug and cosmetic product listings (FDA).

  • Tadalafil
  • Esokalli Testosterone Booster Oral Dissolving Film
  • Opsynvi
  • Cialis
  • ALYQ
  • CHBO
  • Adcirca
  • Tadliq
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$1.21/gApollo Scientific UK
CountryUnited Kingdom
Pack$3024.00 / 2.5 kg
Purity99%
Vendors4 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

3 more vendors
VendorCountry$/gPackPurity
Vitas M Chemical LimitedHong Kong$13867.4910 μmol90%
TargetMol ChemicalsChina United States$15800.00100 mg99.89%
Princeton BioMolecular Research (SC)United States$18000.005 mg90%

Chemical Identity

CAS171596-29-5
PubChem CID110635
DTXSIDDTXSID9046786
FormulaC22H19N3O4
Mol. Weight389.4 g/mol
SMILESCN1CC(=O)N2C(C1=O)CC3=C(C2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36

Data Sources

1106352026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/tadalafil/cids/JSON

Archive: data/sources/pubchem_name/tadalafil.json

CAS 171596-29-52026-04-25

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json