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 CFN99624 Gallic acid, >98%, 20mg Price on request 93609 Retention Time Marker Standard Price on request 92525 Surrogate Standard Price on request