CAS 73606-19-6 appears in our catalog under these names: Potassium 2-[(6-chloro-1,1,2,2,3,3,4,4,5, 6:2 Cl-PFAES, 98.0%, Potassium 2-((6-chloro-1,1,2,2,3,3,4,4,5,5,6,6-dodecafluorohexyl)oxy)-1,1,2,2-tetrafluoroethanesulfonate, 97%, 97%, 2-[(6-Chloro-1,1,2,2,3,3,4,4,5,5,6,6-dodecafluoro-hexyl)oxy]-1,1,2,2-tetrafluoroethane-1-sulfonic acid potassium salt. Offered by: Sigma-Aldrich, MedChemExpress, Chemat, Fluorochem. Available pack sizes: 25MG, 100 mg, 250 mg, 50 mg, 5g, 10g, 50mg, 100mg.