4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

1,2,3,4,6,7-Hexachloronaphthalene,,,,

4'-Fluoro-2,3',4,6-tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-87-8

1-Nitrobenzo[e]pyrene