Heptachlor, 1000µg/ml in Hexane, 1ml

TDCPP, 100 µg/ml, Methanol, 1ml

alphaßß (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69483-47-2

1-(4-Isopropylphenly)-3-methylurea, 100µg/mL in Acetonitrile, 1ml