Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml

Mass-Labelled Mono-Ortho PCB Mixture, 5.00µg/mL in Nonane/8% toluene 1,2ml

Cyfluthrin, “Baythroid”, 1000µg/ml in Acetonitrile, 1ml

4-Hydroxybenzophenone, 100mg