PCB No. 31, certified, 25mg

tau-Fluvalinate, 10.0 µg/ml, Ethyl acetate, 10ml

9-Carboxynonylpyridium-d5 bromide,neat,neat,10mg,

n-Dodecane-d26, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 16416-30-1