Perfluorobutane sulfonic acid Back Catalog number: 2041.4-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 83557 Propionaldehyde-DNPH Price on request 94719 4-Aminoazobenzene Price on request 73318 Methyl 7,10,13,16,19-docosapentaenoate (C22:5n-3) Price on request