Pyrazoxyfen, 100 µg/ml, Acetonitrile, 1ml

Calibration sol. CS4 for HRGC/HRMS Analysis of PCBs, in Nonane, 200µl

5-Ethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 42775-75-7

17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1