Dimethachlor, certified, 0.25g

Phorate-oxon-sulfone, 100µg/ml in Acetonitrile, 5m

Naphthalene, 100 µg/ml, Cyclohexane, 1ml

alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,