4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl, 10mg Back Catalog number: HPCB-4007N Availability: In the manufacturer's stock Price on request - + Recommended 1693.16-500-IO 1,7-Dimethylphenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 483-87-4 Price on request 675355 Sulfadimethoxine, 250mg Price on request DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request