N-Nitrosodi-n-propylamine Back Catalog number: 79158 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8509.18-K-IO 1,1,1,3,16,18,18,18-Octachlorooctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 15900-1110-100AN5 Cyproconazole, 100µg/ml in Acetonitrile, 5ml Price on request DF-IS-E40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request