vardenafil hydrochloride trihydrate
Drug ingredientCAS 330808-88-3
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Top sourceNo public record
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
14 FDA-registered drug labelers
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Aphena Pharma Solutions - Tennessee, LLC
AX Pharmaceutical Corp
Cutyx Research LLP
DARMERICA, LLC
LETCO MEDICAL, LLC
Macleods Pharmaceuticals Limited
Maithili Life Sciences Private Limited
Pharmaceutical Works POLPHARMA
RAKSHIT DRUGS PRIVATE LIMITED
Willow Birch Pharma, LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Vardenafil
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
Chemical Identity
CAS330808-88-3
PubChem CID135413545
DTXSIDDTXSID30954704
FormulaC23H39ClN6O7S
Mol. Weight579.1 g/mol
SMILESCCCC1=NC(=C2N1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)CC)OCC)C.O.O.O.Cl
Data Sources
- PubChem · compound 135413545Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
vardenafil hydrochloride trihydrate (CAS 330808-88-3) https://chemicalindependence.com/chemical/330808-88-3/ PubChem: 135413545. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/135413545 FDA National Drug Code directory: CAS 330808-88-3. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/