2,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: BDF-238 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2861.7-50-ME 1H,1H,7H-Perfluoroheptan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-99-9 Price on request 9533.12-100-NN Dieldrin-13C12,100 µg/mL,n-nonane,1mL Price on request C080002 Caffeic Acid-13C3, 1mg Price on request