Promethazine hydrochloride,1000 µg base/mL,MeOH,1mL

D-4929 Stock Chlorine Standard

3'-Fluoro-2,3,4,5,6-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29779-02-0

Atrazine, 100 µg/ml, Methanol, 1ml