Cefazolin sodium salt, certified, 0.1g

4-Methylheptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 589-53-7

Chlorfenvinphos, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 470-90-6

5-Ethyl-2-thiouracil, 50mg