2,2',5,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-52 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1349.20-100-T Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93952-01-3 Price on request 11018.30-5UG 8?H),17?,18?(H),21ß(H)-15 (14-13)-abeo-14,17-dimethyl-26,28-dinorhopane,neat,neat,ca. 5 µg, Price on request 83562 2,4-D Price on request