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

2,4-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53592-10-2

n-Tricosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-67-5

alpha-Ketoglutaric acid