Atrazine, 250mg

Glyoxylic acid, 50% solution in water, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 298-12-4

2-Bromo-3,7,8-trichlorodibenzo-p-dioxin (>95%), 1.2ml x 48ug/ml, toluene

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 593-49-7