2,4-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

Urea Stock Solution

2,2',3,4',5',6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-04-0