4-Nitroanisole

beta-Endosulfan, 100mg

2,3',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-72-6

Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol