8-Bromo-2,3,4-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

n-Nonadecane, ?13C: -34.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-92-5

2,4-D methyl ester

3ß,17ß(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-80-4