D4-Picolinafen, 100 µg/ml, Acetonitrile, 1ml

OrganoPhosphorus Pesticide Standard

Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6

Heptachlor-exo-epoxide (cis-)