alpha-Cypermethrin, 100µg/ml in Acetonitrile, 5ml

n-Triatriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 630-05-7

Atrazine-desethyl D6, 100 ng/µl, 1.1ml

2,3,4,4'-Tetrachlorobiphenyl (60)