2,2',4,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-49 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-C Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 72033 Phenyltin trichloride Price on request 1112.20-10MG 6-Nitrobenzo[a]pyrene-d11,neat,neat,10mg, Price on request