Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

1,4-Naphthoquinone

2,2',3,4,5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52712-04-6

Ethyl acetate, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 141-78-6