beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml

Cleanup Standard Spiking Solution, 1.2ml, nonane

1,2,3,4-Tetrahydrochrysene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 2091-90-9

(±)-Sotalol-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,