1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride,50 µg/mL,toluene,1mL,

2-Methyldecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6975-98-0

1,2,8,9-Tetrachlorononane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-20-3

a-Cholestane, 100mg