Isoproturon, 100µg/ml n Acetonitrile, 1ml

n-Tetracosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 646-31-1

17 alpha(H),21ß(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0

Ferrous Iron (Fe)