4,4’-DDE

Metolachlor-d6 (propyl-d6),100 µg/mL,acetonitrile,1mL,

Dibenz[a,c]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-58-7

2,5-Dimethylhexane