Phenacetin Basic information: Chemical name: Phenacetin MF: C10H13NO2 MW: 179.22 CAS: 62-44-2 Appearance: white powder Purity: over 99% Phenacetin Uses: Phenacetin powder was widely used until the third quarter of the twentieth century, often in the form of an A.P.C., or “aspirin-phenacetin-caffeine” compound analgesic, as a remedy for fever and pain. An early formulation was Vincent’s APC in Australia. Paracetamol …