Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-LCS-A1 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 681213 2,3-Heptanedione, 250mg Price on request 83593 4-Nitrophenol Price on request 0216.26-200-T Dibenzo[g,p]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-68-4 Price on request