4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 2940.9-100-IO Diuron-d6 (dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1007536-67-5 Price on request 54234 Selenium (VI) Selenate, 1000µg/ml in Water, 100ml Price on request DF-1369-S 1,3,6,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request