4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Back Catalog number: S-FC92S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 72420 Ethyl propionate Price on request S-4175-SETX5 Oxygenated Quantitative Calibration Mixtures (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Price on request 1840.10-1G 4-n-Propylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2438-05-3 Price on request