Parathion methyl

n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-37-1

Naphtho[2,1-a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Butoxycarboxim, 100 µg/ml, Acetonitrile, 5ml