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 PN-13S 1,2,3-Trichloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 8870.8-K-IO 2-Acetyl-3-ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 2027.4-100-IO Hexachloro-1,3-butadiene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-68-3 Price on request