Dow FR-250, 35 µg/mL in Isooctane, 1ml Back Catalog number: B-250S-0.35X Availability: In the manufacturer's stock Price on request - + Recommended 1142.22-K-IO n-Docosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-97-0 Price on request S-4187-SET EPA O-FID Quantitative Calibration Mixes (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x10mL one of each Std. Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5 Price on request 681553 D7-2-Nitrotoluene, 50mg Price on request