1,2-Dimethylnaphthalene, certified, 50mg

2,2',3,3',4,4',5,5'-Octabromobiphenyl, 1.2ml x 50ug/ml, nonane

Disulfoton, 1000µg/ml in MeOH, 1ml

Cyclohexanone, 1000µg/ml in Water, 1ml