1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin

2-Methyltetrahydrothiophene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1795-09-1

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane

Pentafluoroethanesulfonic acid, 97%, 250mg