2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-28 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0282.54-1MG 1.2,3.4,5.6,7.8-Tetra(peri-naphthylene)anthracene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 191-54-8 Price on request 51255 COD Calibration Standard Price on request 10138.18-10MG Estrone sulfate sodium salt, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 438-67-5 Price on request