beta-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10ml

alpha-Toluenethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-53-8

Tridecafluorohexane-1-sulfonic acid potassium salt

Diindeno[4,3,2,1-cdef;1',2',3'-hi]chrysene,neat,neat,ca. 0.1mg,