Heptachlor, 100 µg/ml, Ethyl acetate, 1ml

Theophylline, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 58-55-9

trans-1-Isopropyl-4-methylcyclohexane, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 1678-82-6

Tris(3,5-dimethylphenyl) phosphate, 1.2ml x 50ug/ml, toluene