Tolbutamide

2,3,3',4-Tetrahlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74338-24-2

Chlorinated Pesticides

Ethylenethiourea, 1000µg/ml in Ethylacetate, 1ml