- industrial
- pharma
Fentanyl
CAS 437-38-7
Also registered as 2 other CAS numbers
201415-26-1 · 80832-90-2
Concern score
Not assessed — no hazard data yet.
Fentanyl in plain language
Also known as Fentanyl cii · Durogesic d-trans · EN3267 · Fendrop · Fentanest · Matrifen
Show all 35 names
Phentanyl · Propanamide, N-PHENYL-N-(1-(2-PHENYLETHYL)-4-PIPERIDINYL) · Sublimase · 1-Phenethyl-4-(N-phenylpropionamido)piperidine · 1-Phenethyl-4-N-propionylanilinopiperidine · AD-923 · Duragesic · Duragesic-100 · Duragesic-12 · Duragesic-25 · Duragesic-50 · Duragesic-75 · Durogesic · EN-3267 · Fentanil · Fentanyl-12 · Fentanyl-25 · Fentanyl-50 · Fentanyl-75 · Fentanylum · Fentora · IDS-NF-001 · N-(1-PHENETHYLPIPERIDIN-4-YL)-N-PHENYLPROPIONAMIDE · N02AB03 · Pecfent · R-4263 · Recuvyra · fentanila · Tranq component fentanyl
We don't have a plain-language description for Fentanyl yet.
Recorded functional uses: Pharmaceutical
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. Fentanyl appears in these published regulatory listings.
- In marketed US drugs
- Found in consumer products
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Pharmaceutical.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Pharmaceutical.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 36 active drug products and 36 total products.
- FDA NDC lists this ingredient in 36 active drug products and 36 total products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence & sources
No graded research studies for Fentanyl yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
EPA Chemical and Products Database
exposure · updated September 2018
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA National Drug Code Directory
regulatory · updated 2027-12-31
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
Where it has been recorded
How often FDA National Drug Code directory has listed Fentanyl in a product composition. These are source records, not Greenveil catalog products.
Source records
36
Typical roles
Pharmaceutical