4-Chlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-4-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 681362 4-Nitrophenol, 1000mg Price on request 94469 VOC Mix #1 Price on request 679897 2,4-Dinitrophenol, 100 µg/ml, Acetonitrile, 5ml Price on request