Potassium sorbate

Androstenedione, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63-05-8

1,3,5-Triazine-2,4,6-triamine-[15N3] (Melamine-[15N3]), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 287476-11-3

Fipronil-sulfide, 100 µg/ml, Acetonitrile, 5ml