Fenitrothion, 100 µg/ml, Toluene, 1ml

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

Benzoic acid, 250mg

2-Isopropyl-6-methyl-4-pyrimidinol, anal. std., 1g