N-Nitroso-N-methyl-4-aminobutyric acid, 25mg

2,2',3,5,5',6-Hexachlorobiphenyl

1H,1,H,2H,2,H-Perfluorohexan-1-ol (2-Perfluorobutyl ethanol), 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2043-47-2

m-Toluidine, 100 µg/ml, Methanol, 5ml