PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8909.14-100-T 5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane Price on request 1013.8-1ML Di-tert-butyldisulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-06-5 Price on request 678438 Malaoxon, 100 µg/ml, Acetonitrile, 5ml Price on request