Pentafluoroethanesulfonic acid, 97%, 250mg Back Catalog number: 6164-3-3L:250MG Availability: In the manufacturer's stock Price on request - + Recommended MPN-74 1,2,3,4,5,6,8-Heptachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 95456 Hexachlorobenzene Price on request 11131.14-50-T 1,2,3,4,6,7,8,9,10,10,11,11-Dodecachloro-14,4a,5a,6,9,9a,9b-octahydro-1,4,6,9-dimethanodibenzofuran,50 µg/mL,toluene,1mL, Price on request