PCB No. 112, certified, 5mg

Diphenyldisulfide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 882-33-7

ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9

Streptomycin sulfate, 250mg