2,2',4,4',5-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-01-1

(24S)-24-Ethylcholest-5,22-diene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 76879-05-5

Cefixime trihydrate, 100mg

4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml