sildenafil
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
Amneal Pharmaceuticals NY LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Sildenafil
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$40.00/gAaron Chemicals LLC
CountryHong Kong
Pack$200.00 / 5 g
Purity95%
Vendors13 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
12 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $46.20 | 5 g | 95% |
| Fluorochem UK | United Kingdom | $62.92 | 1 g | 97% |
| Combi-Blocks, Inc. | United States | $96.00 | 5 g | 98% |
| A2B Chem LLC | United States | $103.80 | 10 g | 98% |
| AA BLOCKS | United States | $109.60 | 10 g | 98% |
| MedChemExpress MCE | Sweden | $231.23 | 10 g | 99.99% |
| AK Scientific Specialized | United States | $418.00 | 1 g | 95% |
| AK Scientific, Inc. | United States | $587.00 | 1 g | 98% |
| Angene International Limited | United States | $677.00 | 1 g | 95% |
| Fulfilled by Molport | Latvia | $800.00 | 25 mg | 95% |
| Life Chemicals Inc. | Ukraine → Canada | $3100.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
Chemical Identity
CAS139755-83-2
PubChem CID135398744
DTXSIDDTXSID6023579
FormulaC22H30N6O4S
Mol. Weight474.6 g/mol
SMILESCCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C
Data Sources
1353987442026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/sildenafil/cids/JSON
Archive: data/sources/pubchem_name/sildenafil.json
CAS 139755-83-22026-04-25
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