2,3,6,7-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-48S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2740.27-10MG 5ß(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 601-53-6 Price on request 677937 D12-Benzo[a]pyrene, 10.0 µg/ml, Cyclohexane, 10m Price on request 9434.5-100 Etridiazole, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2593-15-9 Price on request