PIANO Paraffins Standard, 1ml Back Catalog number: VHG-PIANO-PAR-1 Availability: In the manufacturer's stock Price on request - + Recommended 1289.17-100-AN gamma-Oxo- alpha-methyl-2-dibenzothiophenebutyric acid, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 26139-07-1 Price on request DF-23478-S 2,3,4,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 677982 Phorate, 100 µg/ml, Toluene, 1ml Price on request