N-Vinylpyrrolidine
Drug ingredientCAS 4540-16-3
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.
1 FDA-registered drug labeler
LARKSPUR ENTERPRISES LLC
Why It Matters
Sectors
Health
Downstream UsesNot recorded
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
CAS4540-16-3
PubChem CID3014294
DTXSIDDTXSID70196500
FormulaC6H11N
Mol. Weight97.16 g/mol
SMILESC=CN1CCCC1
Data Sources
- PubChem · compound 3014294Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
N-Vinylpyrrolidine (CAS 4540-16-3) https://chemicalindependence.com/chemical/4540-16-3/ PubChem: 3014294. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3014294 FDA National Drug Code directory: CAS 4540-16-3. 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/