2,4-Dicofol, 10.0 µg/ml, Isooctane, 1ml

4-Chlorobenzyl mercaptan

β-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1083-27-8 for unlabelled