4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl, 10mg Back Catalog number: HPCB-4007N Availability: In the manufacturer's stock Price on request - + Recommended 8910.14 5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 93444 Citric acid [0.3% wt] Price on request MPFHXA Perfluoro-n-[1,2-13C2]hexanoic acid, 50µg/ml in MeOH, 1,2ml Price on request