Fenthion-sulfone, 100 µg/ml, Toluene, 1ml

Pirimiphos-methyl-N-desethyl, 100µg/ml in Acetonitrile, 5ml

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

2-Methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 3149-28-8