19-Nortestosterone 17-propionate, certified, 0.1g

2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml

Chlorthal-dimethyl, 100 µg/ml, Cyclohexane, 5ml

13C3-6:2 Fluorotelomer sulfonamide alkylbetaine (13C3-6:2 FTAB), 50µg/ml in MeOH, 1,2ml