Cefoperazone, 100mg

d2 C26 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

PCB No. 50, 100µg/ml in Isooctane, 1ml

Glycidyl palmitate-d31, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.