Chlorpyrifos, 100 µg/ml, Toluene, 1ml

Arochlor 5460 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4

3,5-Dinitrosalicylhydrazide-15N2, 1mg

Nalidixic acid,neat,neat,100mg,