D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

Tetradecamethylcycloheptasiloxan, 100µg/ml in Acetone, 5ml

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-67-0

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