4-Methoxy-2,2',5'-trichlorobiphenyl, 100µg/ml in IO, 1ml Back Catalog number: MOPCB-3004S Availability: In the manufacturer's stock Price on request - + Recommended 1890.10-1G 3-Phenylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4593-90-2 Price on request 31057 EPA Method 552.1 - Surrogate Standard Price on request DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request