n-Hexacosane, ?13C: - 34.35, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 630-01-3

d-(cis-trans)-Phenothrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26002-80-2

D6-Metazachlor ESA sodium salt, 100 µg/ml, Aceton

17-alpha-Estradiol, certified, 0.1g