Product Name:Perflurohexane sulphonyl fluoride CAS:3871-99-6 MF:C6F13KO3S MW:438.2 MP:>250°C Usage:Tridecafluorohexanesulfonic Acid is a perfluorinated compound that has been identified to be a p-glycoprotein (p-gp) inhibitor and therefore, a chemosensitizer. Tridecafluorohexanesulfonic Acid is pa rt of a new class of global environmental pollutant; they bioaccumulate and are persistent in the environment and wildlife.