beta-Endosulfan, 100 µg/ml, Methanol, 1ml

Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7

2,4’-DDT, 1000µg/ml in MeOH, 1ml