Chlorpyriphos-ethyl, 100µg/ml in Acetonitrile, 5ml

2,8-Dichlorodibenzofuran,50 µg/mL,n-nonane,1mL,

Benzyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 94-18-8

n-Perfluoroheptanoic acid