Prothiofos, 100 µg/ml, Ethyl acetate, 5ml

Sulfapyridine, certified, 0.25g

Monolite Violet R, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 5358-30-1

Mass-Labelled PCB Congener Solution/Mixture, 1.2ml, nonane