Cefazolin sodium salt, certified, 0.1g

Di-iso-propyl phthalate, 1000µg/mL, Solvent-iso, Unit 1mL, # of units-1, Cas.no. 605-45-8

gamma-HCH (BHC), 10ug/ml, Solvent-acetonitrile, Unit 10mL, # of units-1, Cas.no. 58-89-9

Benz[a]anthracene, 10.0 µg/ml, Acetonitrile, 10m