Chlorpyrifos, 100 µg/ml, Toluene, 1ml

Diethylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 352-93-2

Tartrazine, certified, 0.25g

1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane