Metals calibration standard Back Catalog number: 50094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1039.18-200-T 2,7-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-24-0 Price on request 66103 2,2',4,5',6-Pentachlorobiphenyl (103) Price on request 677976 Disulfoton-sulfone, 100 µg/ml, Toluene, 1ml Price on request