2,3,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-2347-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 682865 Isovaleric acid, 1000mg Price on request 0271.24-200-T Naphtho[2,3-k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-18-1 Price on request 3439.14-100-CY Metazachlor Price on request