Iprobenfos, 100 µg/ml, Acetonitrile, 5ml

4,4'-DDT, 100 µg/ml, Cyclohexane, 1ml

Perfluoro-n-[1,2-13C2]decanoic acid, 1.2ml x 50ug/ml, methanol

(+/-)-Cotinine-d3 (N-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 110952-70-0