2,6-Dibromophenol, Internal Standard Stock Solution Cat. No. 2472.6

5 alpha(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-85-0

CWA Platinum

Atrazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1912-24-9