3,4,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-37 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended EPA-23SSS Surrogate Standard Stock Solution, 1.2ml, nonane Price on request 675037 Acetochlor OA, 10mg Price on request 71784 N-Phenyl-N’-isopropyl-p-phenylenediamine Price on request