2,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-238-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 33681 n-Valeraldehyde Price on request 673250 Demeton-S-methyl-sulfoxide, 10.0 µg/ml, Acetonitr Price on request 2918.8-100-AN Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL, Price on request