4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Back Catalog number: CLM-1281-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 91757 MA - VPH Primary Calibration Spike Price on request 2714.15-100-IO 2,4-Dimethylbenzo[h]quinoline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-67-4 Price on request 20048 CLP Volatiles - Low Conc Internal Standard Price on request