1-/3-Nitrobenzo[e]pyrene Back Catalog number: 2170.20-100-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request 71894 1,2-Dibromotetrafluoroethane Price on request 70650 Diflubenzuron Price on request