Di-n-butyl sulfide as S

Heptachlor, 100 µg/ml, Ethyl acetate, 1ml

n-Hexadecane, ?13C: - 33.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-76-3

Chlordecone alcohol, 10.0 µg/ml, Cyclohexane, 1m