Methyl cis-7,10,13,16-Docosatetraenoate, 10mg/ml in Heptane, 1ml

Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top

1H,1H,2H,2H-Perfluorododecyl acetate, 1.2ml x 50ug/ml, isooctane

2,2',3,3',4,4'-Hexachlorobiphenyl