Indeno[1,2,3-cd]pyrene-d12, 1000µg/ml in Toluene, 1ml Back Catalog number: 1531.22-K-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9840.4-100-AN N-Nitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1330180-56-7 Price on request 73213 Benzenesulfonamide Price on request 2559.8-50-ME 1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2 Price on request