Dibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: DF-0-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676691 Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Price on request 3563.16-10MG Aceanthrenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6373-11-1 Price on request 54138 0.10M Sodium Hydroxide (NaOH) Price on request