1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g Back Catalog number: 6164-3-06:5G Availability: In the manufacturer's stock Price on request - + Recommended 19094 EPA Method 601 Internal Standard Price on request 8813.12-100-IO 2,4,5-Trihlorobiphenyl Price on request 92699 Pesticide Standard Price on request