2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-27-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3656.6-K-IO 1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Price on request 95638 NJ Extractable Mix Price on request 9190.7-100-ME Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8 Price on request