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Alfentanil chemical structure Alfentanil
N-[1-[2-(4-ethyl-5-oxo-1,4-dihydrotetrazol-1-yl)ethyl]- 4-(methoxymethyl)-4-piperidyl]-N-phenyl-propanamide IUPAC name
CAS number 71195-58-9	ATC code N01 AH02
PubChem 189496	DrugBank APRD00726
Chemical formula	{{{chemical_formula}}}
Molecular weight	416.517 g/mol
Bioavailability	Not applicable
Metabolism	Hepatic
Elimination half-life	90–111 minutes
Excretion	{{{excretion}}}
Pregnancy category	{{{pregnancy_category}}}
Legal status	{{{legal_status}}}
Routes of administration	Intravenous

Alfentanil (trade name Alfenta) is a parenteral short-acting synthetic opioid analgesic drug, used for anaesthesia in surgery. While it gives less cardiovascular complications, it tends to give stronger respiratory depression. Alfentanil is a Schedule II according to the U.S. DEA website.^[1]

Alfentanil was discovered at Janssen Pharmaceutica in 1976.

ReferencesEdit

v·d·e Analgesics (N02A, N02B)
Opioids	Buprenorphine, Butorphanol, Codeine, Dextropropoxyphene, Diamorphine, Dihydrocodeine, Fentanyl, Hydrocodone, Hydromorphone, Ketobemidone, Levorphanol, Methadone, Morphine, Nicomorphine, Opium, Oxycodone, Oxymorphone, Pethidine, Tramadol, Tapentadol
Salicylic acid and derivatives	Aspirin (Acetylsalicylic Acid), Diflunisal, Ethenzamide, Salicin, Salicylamide · See also: NSAIDs
Pyrazolones	Aminophenazone, Metamizole, Phenazone
Cannabinoids	Cannabis, Tetrahydrocannabinol, AM404
Anilides	Paracetamol (acetaminophen), Phenacetin
Others	Ziconotide, Ibuprofen, Ketoprofen, Mefenamic Acid, Naproxen, Diclofenac, Flurbiprofen, Diflunisal, Indomethacin, Ketorolac, Meloxicam, Piroxicam

v·d·e Anesthetic: General anesthetics (N01A)
Barbiturates	Hexobarbital, Methohexital, Narcobarbital, Thiopental
Ethers	Diethyl ether, Desflurane, Enflurane, Isoflurane, Methoxyflurane, Methoxypropane, Sevoflurane, Vinyl ether
Haloalkanes	Chloroform, Halothane, Trichloroethylene
Opioids	Alfentanil, Anileridine, Fentanyl, Phenoperidine, Remifentanil, Sufentanil
Others	Alfaxalone, Droperidol, Etomidate, gamma-Hydroxybutyric acid, Ketamine/Esketamine, Minaxolone, Nitrous oxide, Propanidid, Propofol, Xenon