Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml

Pesticides Calibration LC-MS/MS

Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9

3,4-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 922-28-1