2,2',3,3',4,5,6'-Heptachlorobiphenyl

WP Pesticide Amp 1 - Cal Check

ISO 18857-1 4-(1,1,3,3-Tetramethylbutyl)phenol solution, Calibration standard 1 ng/µL, in toluene, 5mL =1446.14-1-5T

alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4