2,4-D 13C6, 100µg/ml in Acetone, 1ml Back Catalog number: XA11940200AC Availability: In the manufacturer's stock Price on request - + Recommended 51132 Aromatics Quantitative Calibration Mix #4 Price on request DF-1246-S 1,2,4,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 677936 D12-Benzo[a]pyrene, 100 µg/ml, Cyclohexane, 1ml Price on request