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

1-(p-Methoxyphenyl)-1-penten-3-one, 100mg

o-Toluidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 95-53-4

2,2',3,3',5,5'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,