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Active ingredient: Alfentanil - Chemisty and Biological Activity

Chemisty and Biological Activity

Chemical Formula


Chemical Name

N-[1-[2-(4-ethyl-5-oxo-1,4-dihydrotetrazol-1-yl)ethyl]-4-(methoxymethyl)-4- piperidyl]-N-phenyl-propanamide

Chemical Structure

Molecular Weight

416.517 g/mol

Physical State


Melting Point

140.8 oC

Water Solubility

34.6 mg/L

Isoelectric Point

Not Available

Organisms Affected

Humans and other mammals

Phase 1 Metabolising Enzyme (1-st Step of Metabolism)


Primary Drug Target
NameOpioid mu Receptor (OP3)
Gene NameOPRM1
SynonymsMu-type opioid receptor; MOR-1
General FunctionReceptor activity
Specific FunctionInhibits neurotransmitter release by reducing calcium ion currents and increasing potassium ion conductance. Receptor for beta-endorphin

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