Levonorgestrel, 100µg/mL in Acetonitrile, 1ml

cis-Nonachlor, 10µg/mL in Cyclohexane, 10ml

2,2',3,4,4',5,6,6'-Octachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74472-52-9

Chloroparaffin C10 44.82% Cl, 10µg/mL in CY, 1ml