Dow FR-250, 100µg/ml in Isooctane, 1ml Back Catalog number: B-250S Availability: In the manufacturer's stock Price on request - + Recommended 684134 1,1,1,2-Tetrachloroethane, 100 µg/ml, Methanol, Price on request 79403 Aroclor 1221 Price on request 73326 S-Metolachlor, 1000μg/mL in Acetone, 1ml Price on request