Propazine, 100µg/ml in Acetonitrile, 1ml Back Catalog number: S-13108A1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 681886 Fluorodifen, 100 µg/ml, Ethyl acetate, 5ml Price on request 52140 EPA 1620 Standard 2 Price on request 1525.20-100-TX10 Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 205440-82-0 Price on request