CAS No. 196618-13-0

Oseltamivir Chemical Structure
Chemical Structure
Check the Oseltamivir product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name ethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate
CAS Number 196618-13-0
Molecular Formula

C16H28N2O4

Molecular Weight (MW) 312.40
InChIKey VSZGPKBBMSAYNT-RRFJBIMHSA-N

Biological Activity

Oseltamivir (GS 4104) is an orally active antiviral compound that acts as a selective inhibitor of influenza virus neuraminidase enzymes. Upon metabolic activation to its active form, it inhibits neuraminidase-mediated cleavage of terminal sialic acid residues on cell surfaces. This inhibition blocks the release and spread of newly formed viral particles from infected host cells, thereby suppressing the replication and propagation of influenza A and B strains. [1]

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Note: Technical data last updated: Sep 1, 2026.