CAS Registry Number

CAS 204255-11-8 — Oseltamivir phosphate

Oseltamivir phosphate is a synthetic antiviral medication used primarily to treat and prevent influenza (flu) infections by inhibiting neuraminidase, an enzyme crucial for viral replication. This active pharmaceutical ingredient is a key component in oral antiviral therapies, particularly effective against influenza A and B viruses. CAS 204255-11-8, molecular formula C16H31N2O8P, with a molecular weight of 410.4 g/mol. Requires cold storage at -15 to -20 °C and carries a signal word of *Warning* for safety handling. Molekula supplies Oseltamivir phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.