Parathion-methyl, 100µg/ml in Acetonitrile, 5ml

Butyric acid, 250μg/ml in Water, 1ml

Tris(4-chlorophenyl)methanol, 1.2ml x 50ug/ml, nonane

4-Aminoazobenzene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 60-09-3