2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Back Catalog number: XE-2367-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 682134 4,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta Price on request 94285 Pesticide Standard Price on request S-4035-10K-IOX5 Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request