2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL,

Valproic acid-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3

Benzo(b)fluoranthene, 10μg/ml in Cyclohexane, 10ml

Dichlorvos, 10.0 µg/ml, Ethyl acetate, 10ml